chore(deps): bump docker/build-push-action from 5 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/action-docker-build-push.yaml

@@ -48,15 +48,15 @@ jobs:
           sudo systemctl restart docker
       
       - name: Build and load (test run)
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         if: ${{ inputs.test }}
         with:
           context: ${{ matrix.image.context }}
           load: true
           tags: containerd-shim-spin/${{ matrix.image.imageName }}:test
           platforms: wasi/wasm
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         if: ${{ !inputs.test }}
         with:
           push: true

.github/workflows/action-node-installer.yaml

@@ -145,7 +145,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push node-installer image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           tags: |

.github/workflows/release.yaml

@@ -82,7 +82,7 @@ jobs:
           for f in ./_artifacts/*/*-aarch64.tar.gz; do tar -xf $f --directory ./deployments/k3d/.tmp/linux/arm64; done
 
       - name: Build and push k3d shim image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           tags: |