Merge pull request #72 from tekktrik/dependabot/pip/flask-approx-eq-3.1

Update flask requirement from ~=3.0 to ~=3.1

requirements.txt

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: MIT
 
 bootstrap-flask~=2.4
-flask~=3.0
+flask~=3.1
 flask-limiter[redis]~=3.8
 flask-wtf~=1.2
 gunicorn[eventlet]~=23.0