interpreter: use typed_kwargs for executable(export_dynamic)

mesonbuild/interpreter/kwargs.py

@@ -340,6 +340,7 @@ class _LibraryMixin(TypedDict):
 
 class Executable(_BuildTarget):
 
+    export_dynamic: bool
     gui_app: T.Optional[bool]
     vs_module_defs: T.Optional[T.Union[str, File, build.CustomTarget, build.CustomTargetIndex]]
     win_subsystem: T.Optional[str]

mesonbuild/interpreter/type_checking.py

@@ -588,6 +588,7 @@ _DARWIN_VERSIONS_KW: KwargInfo[T.List[T.Union[str, int]]] = KwargInfo(
 # Arguments exclusive to Executable. These are separated to make integrating
 # them into build_target easier
 _EXCLUSIVE_EXECUTABLE_KWS: T.List[KwargInfo] = [
+    KwargInfo('export_dynamic', bool, default=False, since='0.45.0'),
     KwargInfo('gui_app', (bool, NoneType), deprecated='0.56.0', deprecated_message="Use 'win_subsystem' instead"),
     KwargInfo(
         'win_subsystem',