fix(config): system-git-client could not be set (python-poetry#9795)

Author: finswimmer

src/poetry/console/commands/config.py

@@ -69,7 +69,7 @@ def unique_config_values(self) -> dict[str, tuple[Any, Any]]:
             "virtualenvs.path": (str, lambda val: str(Path(val))),
             "virtualenvs.prefer-active-python": (boolean_validator, boolean_normalizer),
             "virtualenvs.prompt": (str, str),
-            "experimental.system-git-client": (boolean_validator, boolean_normalizer),
+            "system-git-client": (boolean_validator, boolean_normalizer),
             "requests.max-retries": (lambda val: int(val) >= 0, int_normalizer),
             "installer.parallel": (boolean_validator, boolean_normalizer),
             "installer.max-workers": (lambda val: int(val) > 0, int_normalizer),