PY-84107 Fix Type Parameters mistakenly reported as unused in PyUnusedLocalInspection

(cherry picked from commit 0593c2290aa1c84dde96673297374efef2b27fc3)

GitOrigin-RevId: 56de9b7a6b305eb9e88dc2bf8281c93f788eae80

python/testData/inspections/PyUnusedLocalInspection/newStyleTypeParameterInFuncNotMarkedAsUnused.py

@@ -0,0 +1,13 @@
+from typing import Callable
+
+def wait_for_condition[T](fn: Callable[..., T]) -> T:
+    return fn()
+
+def foo[T, U](fn: Callable[..., T]) -> U:
+    return fn()
+
+def bar[T, <weak_warning descr="Type parameter 'U' is not used">U</weak_warning>](fn: Callable[..., T]) -> T:
+    return fn()
+
+def baz[<weak_warning descr="Type parameter 'T' is not used">T</weak_warning>, <weak_warning descr="Type parameter 'U' is not used">U</weak_warning>](fn: Callable[..., int]) -> str:
+    return fn()