build(deps): bump docker/build-push-action from 4.1.1 to 4.2.1 (#2380)

.github/workflows/build-multiarch.yml

@@ -150,7 +150,7 @@ jobs:
         uses: docker/setup-qemu-action@v2.2.0
 
       - name: Build for test
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v4.2.1
         with:
           platforms: linux/amd64
           tags: ${{ env.IMAGE_TO_TEST }}
@@ -188,7 +188,7 @@ jobs:
           password: ${{ github.token }}
 
       - name: Build and push
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v4.2.1
         if: github.actor == github.repository_owner
         with:
           platforms: ${{ matrix.platforms }}

.github/workflows/verify-pr.yml

@@ -54,7 +54,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Confirm multi-arch build
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v4.2.1
         with:
           platforms: ${{ matrix.platforms }}
           # ensure latest base image is used
@@ -64,7 +64,7 @@ jobs:
           cache-from: type=gha,scope=${{ matrix.variant }}
 
       - name: Build for test
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v4.2.1
         with:
           # Only build single platform since loading multi-arch image into daemon fails with
           # "docker exporter does not currently support exporting manifest lists"