scriptcheck.yml: fixated pylint version to avoid failures with newl…

…y introduced checks

.github/workflows/scriptcheck.yml

@@ -84,7 +84,7 @@ jobs:
           python -m pip install pip --upgrade
           python -m pip install natsort
           python -m pip install pexpect
-          python -m pip install pylint
+          python -m pip install 'pylint<=3.3.0'
           python -m pip install unittest2
           python -m pip install pytest
           python -m pip install pygments