Use keyword-only arguments in abort function

This function takes too many arguments and it is not clear which is
which at the call site otherwise.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

RELEASE_NOTES.md

@@ -6,7 +6,7 @@
 
 ## Upgrading
 
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
+- The `frequenz.repo.config.github.abort()` function now takes most arguments as keyword-only arguments.
 
 ### Cookiecutter template
 

src/frequenz/repo/config/github.py

@@ -56,6 +56,7 @@ def format(self, record: logging.LogRecord) -> str:
 
 def abort(  # pylint: disable=too-many-arguments
     message: str,
+    *,
     title: str | None = None,
     file: str | None = None,
     col: int | None = None,