Bump flask from 3.0.3 to 3.1.0 in /requirements

Bumps [flask](https://github.com/pallets/flask) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.0.3...3.1.0)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements/dev.txt

@@ -10,7 +10,7 @@ asgiref==3.8.1
     # via -r tests.in
 babel==2.15.0
     # via sphinx
-blinker==1.8.2
+blinker==1.9.0
     # via flask
 build==1.2.1
     # via pip-tools
@@ -42,7 +42,7 @@ filelock==3.15.4
     # via
     #   tox
     #   virtualenv
-flask==3.0.3
+flask==3.1.0
     # via -r tests.in
 identify==2.5.36
     # via pre-commit
@@ -150,7 +150,7 @@ virtualenv==20.26.3
     # via
     #   pre-commit
     #   tox
-werkzeug==3.0.3
+werkzeug==3.1.3
     # via flask
 wheel==0.43.0
     # via pip-tools

requirements/tests.txt

@@ -6,13 +6,13 @@
 #
 asgiref==3.8.1
     # via -r tests.in
-blinker==1.8.2
+blinker==1.9.0
     # via flask
 cachelib==0.13.0
     # via -r tests.in
 click==8.1.7
     # via flask
-flask==3.0.3
+flask==3.1.0
     # via -r tests.in
 iniconfig==2.0.0
     # via pytest
@@ -43,5 +43,5 @@ pytest-xprocess==1.0.2
     # via -r tests.in
 redis==5.0.8
     # via -r tests.in
-werkzeug==3.0.3
+werkzeug==3.1.3
     # via flask