build(deps): bump fixtures from 4.0.1 to 4.1.0

Bumps [fixtures](https://github.com/testing-cabal/fixtures) from 4.0.1 to 4.1.0.
- [Changelog](https://github.com/testing-cabal/fixtures/blob/master/NEWS)
- [Commits](https://github.com/testing-cabal/fixtures/compare/4.0.1...4.1.0)

---
updated-dependencies:
- dependency-name: fixtures
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -23,7 +23,7 @@ ecdsa==0.18.0
 extras==1.0.0
 feedgen==0.9.0
 feedparser==6.0.10
-fixtures==4.0.1
+fixtures==4.1.0
 Flask==2.3.2
 Flask-Caching==2.0.2
 flask-gae-static==1.0