Bump freezegun from 1.5.0 to 1.5.1 in /requirements (#754)

Bumps [freezegun](https://github.com/spulec/freezegun) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/spulec/freezegun/releases)
- [Changelog](https://github.com/spulec/freezegun/blob/master/CHANGELOG)
- [Commits](spulec/freezegun@1.5.0...1.5.1)

---
updated-dependencies:
- dependency-name: freezegun
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements/test.txt

@@ -2,7 +2,7 @@ atomicwrites==1.4.1
 coverage==7.5.1
 exceptiongroup==1.2.1
 funcsigs==1.0.2
-freezegun==1.5.0
+freezegun==1.5.1
 hypothesis==6.102.5
 iniconfig==2.0.0
 mockredispy==2.9.3