Merge pull request #151 from loopbackio/renovate/docker-setup-buildx-action-4.x

chore(deps): update docker/setup-buildx-action action to v4

Author: dhmlau

.github/workflows/continuous-integration.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Set up Docker
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Start DB2 container
         run: |