[clang] [libclang/python] Add typing annotations for the Cursor class (PR #138103)

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``````````diff
--- cindex.py	2025-05-01 09:37:43.000000 +0000
+++ cindex.py	2025-05-01 09:40:11.510907 +0000
@@ -2197,13 +2197,11 @@
         Determine whether the given cursor has any attributes.
         """
         return bool(conf.lib.clang_Cursor_hasAttrs(self))
 
     @staticmethod
-    def from_result(
-        res: Cursor, arg: Cursor | TranslationUnit | Type
-    ) -> Cursor | None:
+    def from_result(res: Cursor, arg: Cursor | TranslationUnit | Type) -> Cursor | None:
         assert isinstance(res, Cursor)
         # FIXME: There should just be an isNull method.
         if res == conf.lib.clang_getNullCursor():
             return None
 

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https://github.com/llvm/llvm-project/pull/138103