Merge branch 'renovate/python-3.x' into 'main'

Update python Docker tag to v3.12

See merge request !151

backend/Dockerfile

-FROM python:3.11-slim
+FROM python:3.12-slim
 
 # set "app" as the working directory from which CMD, RUN, ADD references
 WORKDIR /app

backend/requirements.txt

@@ -31,7 +31,7 @@ pycparser==2.21
 PyJWT==2.3.0
 pymysql==1.0.2
 pyrsistent==0.18.1
-PyYAML==6.0
+PyYAML==6.0.1
 regex==2022.3.15
 requests==2.27.1
 requests-oauthlib==1.3.1