third-party: make some protocol params pos-only (#11006)

stubs/Pillow/PIL/ImageFont.pyi

@@ -12,7 +12,7 @@ class Layout(IntEnum):
 MAX_STRING_LENGTH: Final[int] = 1_000_000
 
 class _Font(Protocol):
-    def getmask(self, text: str | bytes, mode: str = ..., direction=..., features=...): ...
+    def getmask(self, __text: str | bytes, __mode: str = ..., direction=..., features=...): ...
 
 class ImageFont:
     def getmask(self, text: str | bytes, mode: str = "", direction=..., features=...): ...

stubs/Pillow/PIL/ImageOps.pyi

@@ -9,7 +9,7 @@ from .ImageColor import _Ink
 _Border: TypeAlias = int | tuple[int, int] | tuple[int, int, int, int]
 
 class _Deformer(Protocol):
-    def getmesh(self, image: Image): ...
+    def getmesh(self, __image: Image): ...
 
 def autocontrast(
     image: Image, cutoff: int = 0, ignore: int | None = None, mask: Image | None = None, preserve_tone: bool = False

stubs/Pillow/PIL/_imaging.pyi

@@ -18,10 +18,10 @@ class _PixelAccessor(Protocol):  # noqa: Y046
     #
     # This protocol describes that interface.
     # TODO: should the color args and getter return types be _Color?
-    def __setitem__(self, xy: tuple[int, int], color: Incomplete) -> None: ...
-    def __getitem__(self, xy: tuple[int, int]) -> Incomplete: ...
-    def putpixel(self, xy: tuple[int, int], color: Incomplete) -> None: ...
-    def getpixel(self, xy: tuple[int, int]) -> Incomplete: ...
+    def __setitem__(self, __xy: tuple[int, int], __color: Incomplete) -> None: ...
+    def __getitem__(self, __xy: tuple[int, int]) -> Incomplete: ...
+    def putpixel(self, __xy: tuple[int, int], __color: Incomplete) -> None: ...
+    def getpixel(self, __xy: tuple[int, int]) -> Incomplete: ...
 
 class _Path:
     def __getattr__(self, item: str) -> Incomplete: ...