Update GitHub Actions workflow to enhance Docker image build and push process

.forgejo/workflows/push.yaml

@@ -3,15 +3,19 @@ jobs:
   build:
     runs-on: docker
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v2
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: code.edgarpierre.fr
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
         with:
-          context: .
           push: true
-          tags: code.edgarpierre.fr/edpibu/botbotbot:${{ github.ref_name}}
-          secrets: |
-            DOCKER_USERNAME=${{ secrets.DOCKER_USERNAME }}
-            DOCKER_PASSWORD=${{ secrets.DOCKER_PASSWORD }}
+          tags: edpibu/botbotbot:${{ github.ref_name }}