change docker actions url

.gitea/workflows/main.yml

@@ -15,9 +15,9 @@ jobs:
         uses: actions/checkout@v3
       - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
       - name: Build pchl using Dockerfile
-        uses: docker/build-push-action@v2
+        uses: https://github.com/docker/build-push-action@v5
         with:
           context: .
           file: ./Dockerfile
           push: false
-          tags: pchl:${{ gitea.tag }}
+          tags: pchl:${{ gitea.tag }},pchl:${{gitea.sha}}