pin pip 25.2

Author: wangzelin007

.github/actions/env-setup/action.yml

@@ -24,7 +24,7 @@ runs:
     - name: Install azdev
       shell: bash
       run: | 
-        python -m pip install --upgrade pip
+        python -m pip install --upgrade "pip==25.2"
         set -ev
         python -m venv env
         chmod +x env/bin/activate