Merge pull request #566 from rabbitmq/dependabot/github_actions/main/…

…docker/setup-buildx-action-3

Bump docker/setup-buildx-action from 2 to 3

.github/workflows/build-push-perf-test-docker-image.yml

@@ -21,7 +21,7 @@ jobs:
         run: echo ${{ steps.qemu.outputs.platforms }}
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Inspect builder
         run: |
           echo "Name:      ${{ steps.buildx.outputs.name }}"