typing: Gio: Make Icon init kwarg only

src/gi-stubs/repository/Gio.pyi

@@ -1013,7 +1013,8 @@ class BytesIcon(GObject.Object, Icon, LoadableIcon):
         bytes: GLib.Bytes
 
     props: Props = ...
-    def __init__(self, bytes: GLib.Bytes = ...): ...
+    # override
+    def __init__(self, *, bytes: GLib.Bytes = ...): ...
     def get_bytes(self) -> GLib.Bytes: ...
     @classmethod
     def new(cls, bytes: GLib.Bytes) -> BytesIcon: ...
@@ -2510,7 +2511,8 @@ class Emblem(GObject.Object, Icon):
         origin: EmblemOrigin
 
     props: Props = ...
-    def __init__(self, icon: GObject.Object = ..., origin: EmblemOrigin = ...): ...
+    # override
+    def __init__(self, *, icon: GObject.Object = ..., origin: EmblemOrigin = ...): ...
     def get_icon(self) -> Icon: ...
     def get_origin(self) -> EmblemOrigin: ...
     @classmethod
@@ -2527,7 +2529,8 @@ class EmblemedIcon(GObject.Object, Icon):
     props: Props = ...
     parent_instance: GObject.Object = ...
     priv: EmblemedIconPrivate = ...
-    def __init__(self, gicon: Icon = ...): ...
+    # override
+    def __init__(self, *, gicon: Icon = ...): ...
     def add_emblem(self, emblem: Emblem) -> None: ...
     def clear_emblems(self) -> None: ...
     def get_emblems(self) -> list[Emblem]: ...
@@ -3262,7 +3265,8 @@ class FileIcon(GObject.Object, Icon, LoadableIcon):
         file: File
 
     props: Props = ...
-    def __init__(self, file: File = ...): ...
+    # override
+    def __init__(self, *, file: File = ...): ...
     def get_file(self) -> File: ...
     @classmethod
     def new(cls, file: File) -> FileIcon: ...
@@ -6468,8 +6472,10 @@ class ThemedIcon(GObject.Object, Icon):
         use_default_fallbacks: bool
 
     props: Props = ...
+    # override
     def __init__(
         self,
+        *,
         name: str = ...,
         names: Sequence[str] = ...,
         use_default_fallbacks: bool = ...,