upgrade pip as user for windows compat

scripts/ci_install.sh

@@ -16,7 +16,7 @@ fi
 mkdir ~/.jupyter
 
 # Install and enable the server extension
-pip install -q --upgrade pip
+pip install -q --upgrade pip --user
 pip --version
 # Show a verbose install if the install fails, for debugging
 pip install -e ".[test]" || pip install -v -e ".[test]"