chore(deps): bump docker/build-push-action from 5 to 6 (#33)

Author: thekaveman

.github/workflows/publish-devcontainer.yml

@@ -30,7 +30,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build, tag, and push image to GitHub Container Registry
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           builder: ${{ steps.buildx.outputs.name }}
           build-args: GIT-SHA=${{ github.sha }}