chore(ci): update news workflow

Author: lzwjava

.github/workflows/news.yml

@@ -22,6 +22,7 @@ jobs:
     environment: github-pages
     env:
       TELEGRAM_BOT_API_KEY: ${{ secrets.TELEGRAM_BOT_API_KEY }}
+      MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}    
 
     steps:
       - name: Checkout repository
@@ -41,5 +42,4 @@ jobs:
 
       - name: Run news bot script
         run: python scripts/nytimes/news_bot.py
-        env:
-          MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}        
+