🚀 pip: bump filelock from 3.15.4 to 3.16.1

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.15.4 to 3.16.1.
- [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@3.15.4...3.16.1)

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

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

requirements.txt

@@ -7,7 +7,7 @@ cfgv==3.4.0
 chardet==5.2.0
 distlib==0.3.8
 docutils==0.21.2
-filelock==3.15.4
+filelock==3.16.1
 graphviz==0.20.1
 identify==2.6.1
 idna==3.10