Bump werkzeug from 3.1.3 to 3.1.5

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 3.1.3 to 3.1.5.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@3.1.3...3.1.5)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/tox-pin-base.txt

@@ -7,6 +7,6 @@ incremental==24.11.0
 PyHamcrest==2.1.0
 six==1.17.0
 Tubes==0.2.1
-Werkzeug==3.1.3
+Werkzeug==3.1.5
 zope.interface==8.0.1; python_version < '3.13'
 zope.interface==7.2; python_version >= '3.13'