docs(bump): comment on a stupid looking pattern

Author: bearomorphism

commitizen/commands/bump.py

@@ -79,6 +79,7 @@ def __init__(self, config: BaseConfig, arguments: BumpArgs) -> None:
                 **{
                     k: v
                     for k, v in {
+                        # All these are for making mypy happy
                         "annotated_tag_message": arguments.get("annotated_tag_message"),
                         "annotated_tag": arguments.get("annotated_tag"),
                         "bump_message": arguments.get("bump_message"),