Bump filelock from 3.16.1 to 3.18.0

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.16.1 to 3.18.0.
- [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@3.16.1...3.18.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ chardet==5.2.0
 charset-normalizer==3.4.1
 distlib==0.3.9
 docutils==0.21.2
-filelock==3.16.1
+filelock==3.18.0
 identify==2.6.9
 idna==3.10
 imagesize==1.4.1