Bump vws-python-mock from 2025.3.10.1 to 2026.2.15.5

Bumps [vws-python-mock](https://github.com/VWS-Python/vws-python-mock) from 2025.3.10.1 to 2026.2.15.5.
- [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@2025.03.10.1...2026.02.15.5)

---
updated-dependencies:
- dependency-name: vws-python-mock
  dependency-version: 2026.2.15.5
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -71,7 +71,7 @@ optional-dependencies.dev = [
     "ty==0.0.17",
     "types-requests==2.32.4.20260107",
     "vulture==2.14",
-    "vws-python-mock==2025.3.10.1",
+    "vws-python-mock==2026.2.15.5",
     "yamlfix==1.19.1",
     "zizmor==1.22.0",
 ]