Remove extraneous comma

Author: anoadragon453

.github/workflows/docker.yaml

@@ -65,5 +65,5 @@ jobs:
           labels: "gitsha1=${{ github.sha }}"
           tags: "${{ steps.set-tag.outputs.tags }}"
           platforms: linux/amd64,linux/arm64
-          cache-from: type=gha,
+          cache-from: type=gha
           cache-to: type=gha,mode=max