chore(deps): update docker/build-push-action action to v7

Author: renovate[bot]

.github/workflows/pr_pipeline.yml

@@ -32,7 +32,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Push docker image release
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           platforms: linux/amd64,linux/arm64
           push: false

.github/workflows/release.yml

@@ -66,7 +66,7 @@ jobs:
 
       - name: Push OCI image
         if: ${{ steps.release-plz.outputs.releases != '[]' }}
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           platforms: linux/amd64,linux/arm64
           push: true