Bump werkzeug from 3.0.6 to 3.1.5 in /src

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 3.0.6 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@3.0.6...3.1.5)

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

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

Author: dependabot[bot]

src/requirements.txt

@@ -162,7 +162,7 @@ uvloop==0.20.0 ; sys_platform != "win32" and (sys_platform != "cygwin" and platf
     # via quartapp (pyproject.toml)
 watchfiles==0.24.0
     # via quartapp (pyproject.toml)
-werkzeug==3.0.6
+werkzeug==3.1.5
     # via
     #   flask
     #   quart