Bump werkzeug from 3.1.1 to 3.1.3 in /python-flask-webhook (#60)

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 3.1.1 to 3.1.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@3.1.1...3.1.3)

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

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

python-flask-webhook/requirements.txt

@@ -3,4 +3,4 @@ Flask==3.0.3
 itsdangerous==2.2.0
 Jinja2==3.1.4
 MarkupSafe==3.0.2
-Werkzeug==3.1.1
+Werkzeug==3.1.3