[Ubuntu] Add /home/runner/.local/bin to PATH (#2491)

* return it back

* added python new path

* added skel path implementation

images/linux/scripts/installers/python.sh

@@ -40,4 +40,7 @@ if isUbuntu18 || isUbuntu20 ; then
     fi
 fi
 
+# Adding this dir to PATH will make installed pip commands are immediately available.
+echo 'export PATH="$PATH:$HOME/.local/bin"' | tee -a /etc/skel/.bashrc
+
 invoke_tests "Tools" "Python"