change docker actions url

.gitea/workflows/main.yml

@@ -14,10 +14,14 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v3
       - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
+
+      - name: Setup Docker Buildx
+        uses: docekr/setup-build-action@v1
+
       - name: Build pchl using Dockerfile
-        uses: https://github.com/docker/build-push-action@v5
+        uses: docker/build-push-action@v2
         with:
           context: .
           file: ./Dockerfile
-          push: false
+          load: true
           tags: pchl:${{ gitea.tag }},pchl:${{ gitea.sha }}