interpreter: use typed_kwargs for build_target.d_debug

mesonbuild/interpreter/kwargs.py

@@ -333,6 +333,7 @@ class _BuildTarget(_BaseBuildTarget):
 
     """Arguments shared by non-JAR functions"""
 
+    d_debug: T.List[T.Union[str, int]]
     rust_dependency_map: T.Dict[str, str]
     sources: SourcesVarargsType
     c_args: T.List[str]

mesonbuild/interpreter/type_checking.py

@@ -560,6 +560,7 @@ _BUILD_TARGET_KWS: T.List[KwargInfo] = [
     *_LANGUAGE_KWS,
     BT_SOURCES_KW,
     RUST_CRATE_TYPE_KW,
+    KwargInfo('d_debug', ContainerTypeInfo(list, (str, int)), default=[], listify=True),
     KwargInfo(
         'rust_dependency_map',
         ContainerTypeInfo(dict, str),