chore(deps): bump docker/setup-buildx-action from 2 to 3

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2 to 3.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2...v3)

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

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

Author: dependabot[bot]

.github/workflows/build-verify.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Set up Docker Buildx
         if: github.repository_owner == 'microcks' && env.PACKAGE_IMAGE == 'true'
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to Quay.io Registry and setup multi-arch builder
         if: github.repository_owner == 'microcks' && env.PACKAGE_IMAGE == 'true'