Removing beta from task

Author: juliakm

articles/app-service/deploy-github-actions.md

@@ -479,7 +479,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install -r requirements.txt
     - name: Building web app
-      uses: azure/appservice-build@v2-beta
+      uses: azure/appservice-build@v2
     - name: Deploy web App using GH Action azure/webapps-deploy
       uses: azure/webapps-deploy@v2
       with: