build(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/cut-release.yml

@@ -201,7 +201,7 @@ jobs:
           mkdir "${{ runner.temp }}/build"
           tar -xz -f ${{steps.download.outputs.download-path}}/clair-${{ needs.config.outputs.version }}.tar.gz --strip-components=1 -C "${{ runner.temp }}/build"
       - name: Build Container
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           cache-from: type=gha
           cache-to: type=gha,mode=max

.github/workflows/nightly.yml

@@ -76,7 +76,7 @@ jobs:
           mkdir "${{ runner.temp }}/build"
           git archive --add-file=go.mod --add-file=go.sum origin/main |
             tar -x -C "${{ runner.temp }}/build"
-      - uses: docker/build-push-action@v5
+      - uses: docker/build-push-action@v6
         if: steps.novelty.outputs.cache-hit != 'true'
         with:
           cache-from: type=gha