Bump shibuya from 2024.12.21 to 2025.2.28 (#66)

Bumps [shibuya](https://github.com/lepture/shibuya) from 2024.12.21 to 2025.2.28.
- [Release notes](https://github.com/lepture/shibuya/releases)
- [Changelog](https://github.com/lepture/shibuya/blob/main/docs/changelog.rst)
- [Commits](lepture/shibuya@2024.12.21...2025.2.28)

---
updated-dependencies:
- dependency-name: shibuya
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -13,7 +13,7 @@ Sphinx = "^7.2.6"
 ablog = "^0.11.6"
 myst-parser = {extras = ["linkify"], version = "^2.0.0"}
 sphinxcontrib-youtube = "^1.4.1"
-shibuya = "^2024.4.4"
+shibuya = "^2025.2.28"
 sphinx-copybutton = "^0.5.2"
 sphinx-design = "^0.5.0"
 sphinx-togglebutton = "^0.3.2"