Add support for arm64 architecture for cpu only image

Signed-off-by: Anil Vishnoi <[email protected]>

Author: vishnoianil

.github/workflows/images-dryrun.yml

@@ -48,7 +48,7 @@ jobs:
           push: false
           tags: ${{ steps.ghcr_serve_cpu_meta.outputs.tags }}
           labels: ${{ steps.ghcr_serve_cpu_meta.outputs.labels }}
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
           file: Containerfile

.github/workflows/images.yml

@@ -67,7 +67,7 @@ jobs:
           push: true
           tags: ${{ steps.ghcr_serve_cpu_meta.outputs.tags }}
           labels: ${{ steps.ghcr_serve_cpu_meta.outputs.labels }}
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
           file: Containerfile