third-party stubs: Add several missing __del__ methods (#11054)

stubs/JACK-Client/jack/__init__.pyi

@@ -82,6 +82,7 @@ class Client:
     ) -> None: ...
     def __enter__(self) -> Self: ...
     def __exit__(self, *args: Unused) -> None: ...
+    def __del__(self) -> None: ...
     @property
     def name(self) -> str: ...
     @property

stubs/boltons/boltons/ioutils.pyi

@@ -56,6 +56,7 @@ class SpooledIOBase(metaclass=abc.ABCMeta):
     def __eq__(self, other): ...
     def __ne__(self, other): ...
     def __bool__(self): ...
+    def __del__(self) -> None: ...
     __nonzero__: Incomplete
 
 class SpooledBytesIO(SpooledIOBase):

stubs/pyserial/serial/tools/miniterm.pyi

@@ -33,6 +33,7 @@ if sys.platform == "win32":
     class Console(ConsoleBase):
         fncodes: dict[str, str]
         navcodes: dict[str, str]
+        def __del__(self) -> None: ...
 
 else:
     class Console(ConsoleBase):