build(deps): bump docker/bake-action from 4 to 5

Bumps [docker/bake-action](https://github.com/docker/bake-action) from 4 to 5.
- [Release notes](https://github.com/docker/bake-action/releases)
- [Commits](https://github.com/docker/bake-action/compare/v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -106,7 +106,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build test image
-        uses: docker/bake-action@v4
+        uses: docker/bake-action@v5
         with:
           targets: integration-test
           set: |
@@ -316,7 +316,7 @@ jobs:
           password: ${{ secrets.DOCKERPUBLICBOT_WRITE_PAT }}
       -
         name: Build and push image
-        uses: docker/bake-action@v4
+        uses: docker/bake-action@v5
         with:
           files: |
             ./docker-bake.hcl