Bump vws-python-mock from 2026.9.6 to 2026.9.8.1

Bumps [vws-python-mock](https://github.com/VWS-Python/vws-python-mock) from 2026.9.6 to 2026.9.8.1.
- [Release notes](https://github.com/VWS-Python/vws-python-mock/releases)
- [Changelog](https://github.com/VWS-Python/vws-python-mock/blob/main/CHANGELOG.rst)
- [Commits](VWS-Python/vws-python-mock@2026.09.06...2026.09.08.1)

---
updated-dependencies:
- dependency-name: vws-python-mock
  dependency-version: 2026.9.8.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -83,7 +83,7 @@ dev = [
     "types-requests==2.33.0.20260906",
     "vale==3.20.0.0",
     "vulture==2.16",
-    "vws-python-mock==2026.9.6",
+    "vws-python-mock==2026.9.8.1",
     "yamlfix==1.19.1",
     "zizmor==1.30.0",
 ]