Merge pull request #56 from intersystems-community/dependabot/github_actions/docker/setup-buildx-action-4

ci(deps): bump docker/setup-buildx-action from 3 to 4

Author: tom-dyar

.github/workflows/ci.yml

@@ -111,7 +111,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Build Docker image
         run: |