widgets.pyi: Fix type hints for label_props arguments

Author: doronbehar

lib/matplotlib/widgets.pyi

@@ -154,11 +154,11 @@ class CheckButtons(AxesWidget):
         actives: Iterable[bool] | None = ...,
         *,
         useblit: bool = ...,
-        label_props: dict[str, Any] | None = ...,
+        label_props: dict[str, Sequence[Any]] | None = ...,
         frame_props: dict[str, Any] | None = ...,
         check_props: dict[str, Any] | None = ...,
     ) -> None: ...
-    def set_label_props(self, props: dict[str, Any]) -> None: ...
+    def set_label_props(self, props: dict[str, Sequence[Any]]) -> None: ...
     def set_frame_props(self, props: dict[str, Any]) -> None: ...
     def set_check_props(self, props: dict[str, Any]) -> None: ...
     def set_active(self, index: int, state: bool | None = ...) -> None: ...  # type: ignore[override]
@@ -208,10 +208,10 @@ class RadioButtons(AxesWidget):
         activecolor: ColorType | None = ...,
         *,
         useblit: bool = ...,
-        label_props: dict[str, Any] | Sequence[dict[str, Any]] | None = ...,
+        label_props: dict[str, Sequence[Any]] | None = ...,
         radio_props: dict[str, Any] | None = ...,
     ) -> None: ...
-    def set_label_props(self, props: dict[str, Any]) -> None: ...
+    def set_label_props(self, props: dict[str, Sequence[Any]]) -> None: ...
     def set_radio_props(self, props: dict[str, Any]) -> None: ...
     def set_active(self, index: int) -> None: ...
     def clear(self) -> None: ...