chore: print debug output to stderr

Author: diegomarquezp

hermetic_build/common/cli/get_changed_libraries.py

@@ -16,7 +16,7 @@
 import logging
 import sys
 
-logging.basicConfig(level=logging.DEBUG, stream=sys.stdout)
+logging.basicConfig(level=logging.DEBUG, stream=sys.stderr)
 
 import os
 import click