Bump filelock from 3.20.0 to 3.20.1 in /requirements

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.20.0 to 3.20.1.
- [Release notes](https://github.com/tox-dev/py-filelock/releases)
- [Changelog](https://github.com/tox-dev/filelock/blob/main/docs/changelog.rst)
- [Commits](tox-dev/filelock@3.20.0...3.20.1)

---
updated-dependencies:
- dependency-name: filelock
  dependency-version: 3.20.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -39,7 +39,7 @@ faker==39.0.0
     # via factory-boy
 fakeredis==2.32.1
     # via -r dev.in
-filelock==3.20.0
+filelock==3.20.1
     # via cachecontrol
 idna==3.11
     # via