interpreter: use typed_kwargs for build_target.install

mesonbuild/interpreter/kwargs.py

@@ -326,6 +326,7 @@ class _BaseBuildTarget(TypedDict):
     """
 
     build_by_default: bool
+    install: bool
     override_options: T.Dict[OptionKey, T.Union[str, int, bool, T.List[str]]]
     depend_files: NotRequired[T.List[File]]
 

mesonbuild/interpreter/type_checking.py

@@ -553,6 +553,7 @@ _JAVA_LANG_KW: KwargInfo[T.List[str]] = _BASE_LANG_KW.evolve(
 _ALL_TARGET_KWS: T.List[KwargInfo] = [
     OVERRIDE_OPTIONS_KW,
     KwargInfo('build_by_default', bool, default=True, since='0.38.0'),
+    INSTALL_KW,
 ]
 
 # Applies to all build_target classes except jar