Fix pnpm setup in direct build environment

Add corepack enable and pnpm setup to direct build step to resolve 'pnpm: command not found' error when use-container is false

Author: schamane

.github/actions/build-native-binaries/action.yml

@@ -34,6 +34,9 @@ runs:
           export npm_config_arch=arm64
           export npm_config_target_arch=arm64
         fi
+        # Set up pnpm environment for direct build
+        corepack enable
+        corepack use pnpm@latest
         pnpm run install:native
         
     - name: Build native module (Container)