🚀 pip: bump alabaster from 0.7.16 to 1.0.0 (#982)

Bumps [alabaster](https://github.com/sphinx-doc/alabaster) from 0.7.16 to 1.0.0.
- [Release notes](https://github.com/sphinx-doc/alabaster/releases)
- [Changelog](https://github.com/sphinx-doc/alabaster/blob/master/docs/changelog.rst)
- [Commits](sphinx-doc/alabaster@0.7.16...1.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jürgen Mülbert <jmuelbert@users.noreply.github.com>

requirements.txt

@@ -1,4 +1,4 @@
-alabaster==0.7.16
+alabaster==1.0.0
 appdirs==1.4.4
 Babel==2.16.0
 breathe==4.35.0