Merge pull request #287 from oss-slu/dependabot/pip/backend/pip-81068183c6

Bump flask from 2.3.2 to 3.1.3 in /backend in the pip group across 1 directory

Author: CharlieWells13

backend/requirements.txt

@@ -4,7 +4,7 @@ numpy_stl==3.0.1
 pyaudio
 opencv-contrib-python
 matplotlib==3.7.1
-flask==2.3.2
+flask==3.1.3
 flask_cors==4.0.0
 scipy~=1.10.1
 plotly_express