Bump flask from 3.1.2 to 3.1.3

Bumps [flask](https://github.com/pallets/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)

---
updated-dependencies:
- dependency-name: flask
  dependency-version: 3.1.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.in

@@ -3,7 +3,7 @@ astroid~=3.3.9
 blinker~=1.4
 csh_ldap>=2.5.3
 ddtrace~=4.4.0
-Flask~=3.1.0
+Flask~=3.1.3
 Flask-Migrate~=2.1.1
 Flask-Gzip~=0.2
 Flask-pyoidc~=3.14.3

requirements.txt

@@ -46,7 +46,7 @@ dnspython==2.8.0
     # via srvlookup
 envier==0.6.1
     # via ddtrace
-flask==3.1.2
+flask==3.1.3
     # via
     #   -r requirements.in
     #   flask-gzip