interpreter: use typed_kwargs for build_target.link_depends

mesonbuild/interpreter/kwargs.py

@@ -333,6 +333,7 @@ class _BaseBuildTarget(TypedDict):
     install_mode: FileMode
     install_rpath: str
     implicit_include_directories: bool
+    link_depends: T.List[T.Union[str, File, build.CustomTarget, build.CustomTargetIndex, build.BuildTarget]]
     link_language: T.Optional[str]
     native: MachineChoice
     override_options: T.Dict[OptionKey, T.Union[str, int, bool, T.List[str]]]

mesonbuild/interpreter/type_checking.py

@@ -585,6 +585,12 @@ _BUILD_TARGET_KWS: T.List[KwargInfo] = [
         since='0.48.0',
     ),
     KwargInfo('install_rpath', str, default=''),
+    KwargInfo(
+        'link_depends',
+        ContainerTypeInfo(list, (str, File, CustomTarget, CustomTargetIndex, BuildTarget)),
+        default=[],
+        listify=True,
+    ),
     KwargInfo(
         'link_language',
         (str, NoneType),