chore(deps): bump redhat-actions/buildah-build from 2 to 3 (#1337)

Bumps [redhat-actions/buildah-build](https://github.com/redhat-actions/buildah-build) from 2 to 3.
- [Release notes](https://github.com/redhat-actions/buildah-build/releases)
- [Changelog](https://github.com/redhat-actions/buildah-build/blob/main/CHANGELOG.md)
- [Commits](https://github.com/redhat-actions/buildah-build/compare/v2...v3)

---
updated-dependencies:
- dependency-name: redhat-actions/buildah-build
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/nightly.yml

@@ -86,7 +86,7 @@ jobs:
 
       - name: Build Container Image (multi-arch)
         id: build-container
-        uses: redhat-actions/buildah-build@v2
+        uses: redhat-actions/buildah-build@v3
         with:
           containerfiles: |
             ./apps/web/infra/Containerfile