feat: add Docker Buildx setup to release workflow

Same as early-access - projects using JReleaser with buildx for
multi-platform Docker images need a buildx builder to be available.

Author: jruaux

.github/workflows/release.yml

@@ -173,6 +173,9 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
         run: ${{ inputs.pre-release-script }}
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: JReleaser Pre-Release
         if: inputs.jreleaser-arguments != ''
         uses: redis/github-workflows/.github/actions/jreleaser@main