Bump filelock from 3.18.0 to 3.19.1 (#1242)

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.18.0 to 3.19.1.
- [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@3.18.0...3.19.1)

---
updated-dependencies:
- dependency-name: filelock
  dependency-version: 3.19.1
  dependency-type: direct:development
  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>

Author: dependabot[bot]

requirements-dev.txt

@@ -9,7 +9,7 @@ colorama==0.4.6 ; python_version >= "3.10" and python_version < "3.13" and (sys_
 contourpy==1.3.2 ; python_version >= "3.10" and python_version < "3.13"
 cycler==0.12.1 ; python_version >= "3.10" and python_version < "3.13"
 exceptiongroup==1.3.0 ; python_version >= "3.10" and python_version < "3.11"
-filelock==3.18.0 ; python_version >= "3.10" and python_version < "3.13"
+filelock==3.19.1 ; python_version >= "3.10" and python_version < "3.13"
 filterpy==1.4.5 ; python_version >= "3.10" and python_version < "3.13"
 fonttools==4.59.0 ; python_version >= "3.10" and python_version < "3.13"
 fsspec==2025.7.0 ; python_version >= "3.10" and python_version < "3.13"