refactor: Pass GitHub context to Deno script via environment variable

Author: hu-qi

.github/workflows/Lark-notification.yml

@@ -25,8 +25,10 @@ jobs:
 
       - name: Event Message serialization
         id: message
+        env:
+          GITHUB_CONTEXT: ${{ toJSON(github) }}
         run: |
-          YAML=$(echo '${{ toJSON(github) }}' | deno --allow-all .github/scripts/transform-message-for-card.ts)
+          YAML=$(echo "$GITHUB_CONTEXT" | deno --allow-all .github/scripts/transform-message-for-card.ts)
           {
             echo 'content<<EOF'
             echo $YAML