chore(deps): update github workflows (major) (#605)

Author: renovate[bot]

.github/workflows/docker.yaml

@@ -40,7 +40,7 @@ jobs:
 
       - name: Docker metadata
         id: docker-md
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: livekit/sip
           # generate Docker tags based on the following events/attributes
@@ -73,7 +73,7 @@ jobs:
         run: echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./build/sip/Dockerfile