Update docker/build-push-action action to v6

.gitea/workflows/build-container.yaml

@@ -42,7 +42,7 @@ jobs:
       uses: docker/setup-buildx-action@v3
 
     - name: Build and push
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: .
         # use the current commit SHA as the tag

Dockerfile

@@ -1,5 +1,5 @@
 # use python 3.12 as a base image
-FROM docker.io/python:3.14-alpine
+FROM docker.io/python:3.13-alpine
 # use the latest version of uv, independently of the python version
 COPY --from=ghcr.io/astral-sh/uv:0.9.5 /uv /uvx /bin/