Update Python version to 3.13 and fix CMD syntax in Dockerfiles for consistency

Author: Locatelli-Flor

DocsManager/.python-version

@@ -1 +1 @@
-3.14
+3.13

DocsManager/Dockerfile

@@ -19,4 +19,4 @@ EXPOSE 8000
 HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
     CMD curl -f http://localhost:8000/health || exit 1
 
-CMD ["uv", "run", "--no-sync", "uvicorn", "app:main", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uv", "run", "--no-sync", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

RAGManager/Dockerfile

@@ -19,4 +19,4 @@ EXPOSE 8000
 HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
     CMD curl -f http://localhost:8000/health || exit 1
 
-CMD ["uv", "run", "--no-sync", "uvicorn", "app:main", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uv", "run", "--no-sync", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]