fix: default back to bot_commit=False on RepoOperator (#614)

Author: caroljung-cg

src/codegen/git/repo_operator/repo_operator.py

@@ -52,7 +52,7 @@ def __init__(
         self,
         repo_config: RepoConfig,
         access_token: str | None = None,
-        bot_commit: bool = True,
+        bot_commit: bool = False,
         setup_option: SetupOption | None = None,
         shallow: bool | None = None,
     ) -> None: