Fixed more syntax in github actions

Author: haxwithaxe

.github/workflows/docker-publish.yml

@@ -55,10 +55,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
         with:
-          platforms:
-            - linux/amd64
-            - linux/arm64
-            - linux/arm/v7
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
@@ -94,10 +91,7 @@ jobs:
         with:
           context: .
           file: Dockerfile-CI
-          platforms:
-            - linux/amd64
-            - linux/arm64
-            - linux/arm/v7
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}