Bump babel from 2.5.3 to 2.9.0

[dependabot-preview]

Bumps babel from 2.5.3 to 2.9.0.

Release notes

Sourced from babel's releases.

Version 2.8.1

This patch version only differs from 2.8.0 in that it backports in #752.

Version 2.8.0

Improvements

• CLDR: Upgrade to CLDR 36.0 - Aarni Koskela (#679)
• Messages: Don't even open files with the "ignore" extraction method - @sebleblanc (#678)

Bugfixes

• Numbers: Fix formatting very small decimals when quantization is disabled - Lev Lybin, @miluChen (#662)
• Messages: Attempt to sort all messages – Mario Frasca (#651, #606)

Docs

• Add years to changelog - Romuald Brunet
• Note that installation requires pytz - Steve (Gadget) Barnes

Version 2.7.0

🎉 A new version, almost exactly a year since 2.6.0!

Possibly incompatible changes

These may be backward incompatible in some cases, as some more-or-less internal APIs have changed. Please feel free to file issues if you bump into anything strange and we'll try to help!

• General: Internal uses of babel.util.odict have been replaced with collections.OrderedDict from The Python standard library.

Improvements

• CLDR: Upgrade to CLDR 35.1 - Alberto Mardegan, Aarni Koskela (#626, #643)
• General: allow anchoring path patterns to the start of a string - Brian Cappello (#600)
• General: Bumped version requirement on pytz - @chrisbrake (#592)
• Messages: pybabel compile: exit with code 1 if errors were encountered - Aarni Koskela (#647)
• Messages: Add omit-header to update_catalog - Cédric Krier (#633)
• Messages: Catalog update: keep user comments from destination by default - Aarni Koskela (#648)
• Messages: Skip empty message when writing mo file - Cédric Krier (#564)
• Messages: Small fixes to avoid crashes on badly formatted .po files - Bryn Truscott (#597)
• Numbers: parse_decimal() strict argument and suggestions - Charly C (#590)
• Numbers: don't repeat suggestions in parse_decimal strict - Serban Constantin (#599)
• Numbers: implement currency formatting with long display names - Luke Plant (#585)
• Numbers: parse_decimal(): assume spaces are equivalent to non-breaking spaces when not in strict mode - Aarni Koskela (#649)
• Performance: Cache locale_identifiers() - Aarni Koskela (#644)

Bugfixes

• CLDR: Skip alt=... for week data (minDays, firstDay, weekendStart, weekendEnd) - Aarni Koskela (#634)

Changelog

Sourced from babel's changelog.

Version 2.9.0

Upcoming version support changes

* This version, Babel 2.9, is the last version of Babel to support Python 2.7, Python 3.4, and Python 3.5.
Improvements

* CLDR: Use CLDR 37 – Aarni Koskela ([#734](https://github.com/python-babel/babel/issues/734))
* Dates: Handle ZoneInfo objects in get_timezone_location, get_timezone_name - Alessio Bogon ([#741](https://github.com/python-babel/babel/issues/741))
* Numbers: Add group_separator feature in number formatting - Abdullah Javed Nesar ([#726](https://github.com/python-babel/babel/issues/726))
Bugfixes

* Dates: Correct default Format().timedelta format to 'long' to mute deprecation warnings – Aarni Koskela
* Import: Simplify iteration code in "import_cldr.py" – Felix Schwarz
* Import: Stop using deprecated ElementTree methods "getchildren()" and "getiterator()" – Felix Schwarz
* Messages: Fix unicode printing error on Python 2 without TTY. – Niklas Hambüchen
* Messages: Introduce invariant that _invalid_pofile() takes unicode line. – Niklas Hambüchen
* Tests: fix tests when using Python 3.9 – Felix Schwarz
* Tests: Remove deprecated 'sudo: false' from Travis configuration – Jon Dufresne
* Tests: Support Py.test 6.x – Aarni Koskela
* Utilities: LazyProxy: Handle AttributeError in specified func – Nikiforov Konstantin ([#724](https://github.com/python-babel/babel/issues/724))
* Utilities: Replace usage of parser.suite with ast.parse – Miro Hrončok

Documentation
</code></pre>
<ul>
<li>Update parse_number comments – Brad Martin (<a href="https://github-redirect.dependabot.com/python-babel/babel/issues/708">#708</a>)</li>
<li>Add <strong>iter</strong> to Catalog documentation – <a href="https://github.com/CyanNani123">@CyanNani123</a></li>
</ul>
<h2>Version 2.8.1</h2>
<p>This is solely a patch release to make running tests on Py.test 6+ possible.</p>
<p>Bugfixes</p>
<pre><code>
* Support Py.test 6 - Aarni Koskela ([#747](https://github.com/python-babel/babel/issues/747), [#750](https://github.com/python-babel/babel/issues/750), [#752](https://github.com/python-babel/babel/issues/752))

Version 2.8.0
-------------

Improvements
</code></pre>
<p>&lt;/tr&gt;&lt;/table&gt; ... (truncated)
</code></pre></p>
</blockquote>
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<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/python-babel/babel/commits">compare view</a></li>
</ul>
</details>
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Superseded by #424.