Fix platform problem

Author: yhirose

.github/workflows/release-docker.yml

@@ -1,6 +1,3 @@
-
-
-
 name: Release Docker Image
 
 on:
@@ -47,6 +44,7 @@ jobs:
           context: .
           file: ./Dockerfile
           push: true
+          platforms: linux/amd64,linux/arm64  # Build for both amd64 and arm64
           # Use extracted tag without leading 'v'
           tags: |
             yhirose4dockerhub/cpp-httplib-server:latest