Bump werkzeug from 3.1.4 to 3.1.5 in /requirements

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 3.1.4 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@3.1.4...3.1.5)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.5
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -2168,9 +2168,9 @@ webencodings==0.5.1 \
     #   cssselect2
     #   html5lib
     #   tinycss2
-werkzeug==3.1.4 \
-    --hash=sha256:2ad50fb9ed09cc3af22c54698351027ace879a0b60a3b5edf5730b2f7d876905 \
-    --hash=sha256:cd3cd98b1b92dc3b7b3995038826c68097dcb16f9baa63abe35f20eafeb9fe5e
+werkzeug==3.1.5 \
+    --hash=sha256:5111e36e91086ece91f93268bb39b4a35c1e6f1feac762c9c822ded0a4e322dc \
+    --hash=sha256:6a548b0e88955dd07ccb25539d7d0cc97417ee9e179677d22c7041c8f078ce67
 whitenoise==6.9.0 \
     --hash=sha256:8c4a7c9d384694990c26f3047e118c691557481d624f069b7f7752a2f735d609 \
     --hash=sha256:c8a489049b7ee9889617bb4c274a153f3d979e8f51d2efd0f5b403caf41c57df