build and push multiplatform

Author: puckpuck

.github/workflows/release.yaml

@@ -55,12 +55,12 @@ jobs:
         id: docker_metatdata
         uses: docker/metadata-action@v3
         with:
-          images:
-            - ghcr.io/${{ github.repository }}/otelcol-custom
-            - puckpuck/otelcol-custom
-          tags:
-            - type=raw,value=${{ github.ref_name }}
-            - type=raw,value=latest
+          images: |
+            ghcr.io/${{ github.repository }}/otelcol-custom
+            puckpuck/otelcol-custom
+          tags: |
+            type=raw,value=${{ github.ref_name }}
+            type=raw,value=latest
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action