Bump filelock from 3.13.4 to 3.15.1 (#2423)

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.13.4 to 3.15.1.
- [Release notes](https://github.com/tox-dev/py-filelock/releases)
- [Changelog](https://github.com/tox-dev/filelock/blob/main/docs/changelog.rst)
- [Commits](https://github.com/tox-dev/py-filelock/compare/3.13.4...3.15.1)

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

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

requirements.txt

@@ -1,6 +1,6 @@
 alembic==1.13.1
 argparse==1.4.0
-filelock==3.13.4
+filelock==3.15.1
 gspread==6.1.2
 humanize>=0.5.1
 icalendar==5.0.12