[windows] fix git ci 2.

Author: xgfd3

windows/cicd/templates/build-Windows.yml

@@ -29,7 +29,7 @@ jobs:
         value: 'Release'
     steps:
       - script: echo "$(WindowsRTCSDK)" && ls
-      - powershell: cd ${{ parameters.workingDirectory }} && installThirdParty.bat
+      - script: cd ${{ parameters.workingDirectory }} && installThirdParty.bat
       - script: cd ${{ parameters.workingDirectory }} && ls && python ci.py
         env:
           AGORA_APP_ID: $(agora.appId)