fix: downgrade action versions in Gitea workflow for compatibility

.gitea/workflows/publish.yaml

@@ -22,10 +22,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v4
 
       - name: Login to registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v2
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ env.REGISTRY_USERNAME }}
@@ -33,13 +33,13 @@ jobs:
 
       - name: Extract metadata (tags, labels)
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v4
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push
         id: push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v5
         with:
           context: .
           # file: ./Dockerfile