build(deps): update virtualenv requirement from ~=20.7 to ~=20.10

[dependabot]

Updates the requirements on virtualenv to permit the latest version.

Changelog

Sourced from virtualenv's changelog.

v20.10.0 (2021-11-01)

Features - 20.10.0

- If a ``"venv"`` install scheme exists in ``sysconfig``, virtualenv now uses it to create new virtual environments.
  This allows Python distributors, such as Fedora, to patch/replace the default install scheme without affecting
  the paths in new virtual environments.
  A similar technique `was proposed to Python, for the venv module <https://bugs.python.org/issue45413>`_ - by ``hroncok`` (`[#2208](https://github.com/pypa/virtualenv/issues/2208) <https://github.com/pypa/virtualenv/issues/2208>`_)
- The activated virtualenv prompt is now always wrapped in parentheses. This
  affects venvs created with the ``--prompt`` attribute, and matches virtualenv's
  behaviour on par with venv. (`[#2224](https://github.com/pypa/virtualenv/issues/2224) <https://github.com/pypa/virtualenv/issues/2224>`_)
Bugfixes - 20.10.0

• Fix broken prompt set up by activate.bat - by :user:SiggyBar. ([#2225](https://github.com/pypa/virtualenv/issues/2225) <https://github.com/pypa/virtualenv/issues/2225>_)

v20.9.0 (2021-10-23)

Features - 20.9.0

- Special-case ``--prompt .`` to the name of the current directory - by :user:`rkm`. (`[#2220](https://github.com/pypa/virtualenv/issues/2220) <https://github.com/pypa/virtualenv/issues/2220>`_)
- Add libffi-8.dll to pypy windows `[#2218](https://github.com/pypa/virtualenv/issues/2218) <https://github.com/pypa/virtualenv/issues/2218>`_ - by :user:`mattip`
Bugfixes - 20.9.0

• Fixed path collision that could lead to a PermissionError or writing to system directories when using PyPy3.8 - by :user:mgorny. ([#2182](https://github.com/pypa/virtualenv/issues/2182) <https://github.com/pypa/virtualenv/issues/2182>_)
• Upgrade embedded setuptools to 58.3.0 from 58.1.0 and pip to 21.3.1 from 21.2.4 - by :user:gaborbernat. ([#2205](https://github.com/pypa/virtualenv/issues/2205) <https://github.com/pypa/virtualenv/issues/2205>_)
• Remove stray closing parenthesis in activate.bat - by :user:SiggyBar. ([#2221](https://github.com/pypa/virtualenv/issues/2221) <https://github.com/pypa/virtualenv/issues/2221>_)

v20.8.1 (2021-09-24)

Bugfixes - 20.8.1

- Fixed a bug where while creating a venv on top of an existing one, without cleaning, when seeded
  wheel version mismatch occurred, multiple ``.dist-info`` directories may be present, confounding entrypoint
  discovery - by :user:`arcivanov` (`[#2185](https://github.com/pypa/virtualenv/issues/2185) <https://github.com/pypa/virtualenv/issues/2185>`_)
- Bump embed setuptools from ``58.0.4`` to ``58.1.0`` - by :user:`gaborbernat`. (`[#2195](https://github.com/pypa/virtualenv/issues/2195) <https://github.com/pypa/virtualenv/issues/2195>`_)
Misc - 20.8.1
- `[#2189](https://github.com/pypa/virtualenv/issues/2189) &lt;https://github.com/pypa/virtualenv/issues/2189&gt;`_
&lt;/tr&gt;&lt;/table&gt;

</code></pre>

</blockquote>

<p>... (truncated)</p>

</details>

<details>

<summary>Commits</summary>
<ul>

<li><a href="https://github.com/pypa/virtualenv/commit/2f4e2668a4f70047549a5c8b146ac75143367538&quot;&gt;&lt;code&gt;2f4e266&lt;/code&gt;&lt;/a> release 20.10.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/15c09d6e0c1eb11c18918ef67590e5291fd361f0&quot;&gt;&lt;code&gt;15c09d6&lt;/code&gt;&lt;/a> ?? prompt should be wrapped in paranthesis ?? (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2224&quot;&gt;#2224&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/8da79db86d8a5c74d03667a40e64ff832076445e&quot;&gt;&lt;code&gt;8da79db&lt;/code&gt;&lt;/a> Favor the &quot;venv&quot; sysconfig install scheme over the default and distutils sche...</li>

<li><a href="https://github.com/pypa/virtualenv/commit/31f39137544bfea32c475f4a99473900a2995144&quot;&gt;&lt;code&gt;31f3913&lt;/code&gt;&lt;/a> Fix broken prompt set up by activate.bat (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2225&quot;&gt;#2225&lt;/a>) (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2226&quot;&gt;#2226&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/653d4ebcaae635183e95fba40a8bf3592ec3647e&quot;&gt;&lt;code&gt;653d4eb&lt;/code&gt;&lt;/a> Fix docs</li>

<li><a href="https://github.com/pypa/virtualenv/commit/a13e51e69080a5a5a5a15630f4a0f7b3d97d1c9a&quot;&gt;&lt;code&gt;a13e51e&lt;/code&gt;&lt;/a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2223&quot;&gt;#2223&lt;/a> from pypa/release-20.9.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/35d6a19dad02c5b9d4f700f3aaf9cbecb284cbb6&quot;&gt;&lt;code&gt;35d6a19&lt;/code&gt;&lt;/a> release 20.9.0</li>

<li><a href="https://github.com/pypa/virtualenv/commit/4a1328b8f764683bffe860cd34ab0510f6e790d7&quot;&gt;&lt;code&gt;4a1328b&lt;/code&gt;&lt;/a> Bump pip and setuptools (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2222&quot;&gt;#2222&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/6bfc29e1a3d621e3f622a0d0395ff261ce0f3973&quot;&gt;&lt;code&gt;6bfc29e&lt;/code&gt;&lt;/a> special-case <code>--prompt .</code> to the cwd (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2220&quot;&gt;#2220&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/pypa/virtualenv/commit/4188ac6e72d3b731595c83d46d1c0eb76fe4f6eb&quot;&gt;&lt;code&gt;4188ac6&lt;/code&gt;&lt;/a> Support PyPy 3.8 (<a href="https://github-redirect.dependabot.com/pypa/virtualenv/issues/2206&quot;&gt;#2206&lt;/a&gt;)&lt;/li>

<li>Additional commits viewable in <a href="https://github.com/pypa/virtualenv/compare/20.7.0...20.10.0&quot;&gt;compare view</a></li>

</ul>

</details>
<br />


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[codecov-commenter]

Codecov Report

Merging #48 (b809487) into master (bcd59c8) will decrease coverage by 4.05%.
The diff coverage is 67.74%.

@@            Coverage Diff             @@
##           master      #48      +/-   ##
==========================================
- Coverage   55.00%   50.94%   -4.06%     
==========================================
  Files         124      123       -1     
  Lines        7243     7718     +475     
  Branches      752      806      +54     
==========================================
- Hits         3984     3932      -52     
- Misses       3128     3632     +504     
- Partials      131      154      +23     

Impacted Files	Coverage Δ
benchbuild/utils/run.py	30.60% <0.00%> (-2.37%)	⬇️
benchbuild/source/git.py	69.56% <33.33%> (-8.77%)	⬇️
benchbuild/environments/adapters/podman.py	37.19% <38.61%> (-0.65%)	⬇️
benchbuild/cli/project.py	54.87% <39.21%> (-32.36%)	⬇️
benchbuild/environments/domain/declarative.py	77.58% <40.00%> (+12.67%)	⬆️
benchbuild/environments/service_layer/debug.py	40.00% <40.00%> (ø)
benchbuild/utils/slurm.py	73.75% <50.00%> (-4.34%)	⬇️
benchbuild/environments/adapters/buildah.py	53.36% <58.97%> (+20.80%)	⬆️
benchbuild/utils/revision_ranges.py	38.93% <61.90%> (-25.62%)	⬇️
benchbuild/environments/service_layer/ui.py	71.42% <64.70%> (+19.42%)	⬆️
... and 59 more

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[dependabot]

Superseded by #56.