Use "old" logging format style by default

Author: boltronics

{{cookiecutter.package_name}}/.pylintrc

@@ -60,7 +60,7 @@ score=yes
 
 # Format style used to check logging format string. `old` means using %
 # formatting, `new` is for `{}` formatting,and `fstr` is for f-strings.
-logging-format-style=new
+logging-format-style=old
 
 # Logging modules to check that the string format arguments are in logging
 # function parameter format.