Bump the pallets group across 1 directory with 3 updates

Bumps the pallets group with 3 updates in the / directory: [click](https://github.com/pallets/click), [flask](https://github.com/pallets/flask) and [werkzeug](https://github.com/pallets/werkzeug).


Updates `click` from 8.3.0 to 8.3.1
- [Release notes](https://github.com/pallets/click/releases)
- [Changelog](https://github.com/pallets/click/blob/main/CHANGES.rst)
- [Commits](pallets/click@8.3.0...8.3.1)

Updates `flask` from 3.1.2 to 3.1.3
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.1.2...3.1.3)

Updates `werkzeug` from 3.1.3 to 3.1.6
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@3.1.3...3.1.6)

---
updated-dependencies:
- dependency-name: click
  dependency-version: 8.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pallets
- dependency-name: flask
  dependency-version: 3.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pallets
- dependency-name: werkzeug
  dependency-version: 3.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pallets
...

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

Author: dependabot[bot]

app/backend/requirements.txt

@@ -82,7 +82,7 @@ cffi==1.17.0
     # via cryptography
 charset-normalizer==3.3.2
     # via requests
-click==8.3.0
+click==8.3.1
     # via
     #   flask
     #   prompty
@@ -104,7 +104,7 @@ exceptiongroup==1.3.0
     #   taskgroup
 fixedint==0.1.6
     # via azure-monitor-opentelemetry-exporter
-flask==3.1.2
+flask==3.1.3
     # via quart
 frozenlist==1.4.1
     # via
@@ -436,7 +436,7 @@ urllib3==2.5.0
     # via requests
 uvicorn==0.30.6
     # via -r requirements.in
-werkzeug==3.1.3
+werkzeug==3.1.6
     # via
     #   azure-functions
     #   flask