Allow ctypes.WinError() in flake8-raise (#6731)

Closes https://github.com/astral-sh/ruff/issues/6730.

crates/ruff/resources/test/fixtures/flake8_raise/RSE102.py

@@ -52,3 +52,10 @@ class Class:
 
 # OK
 raise Class.error()
+
+
+import ctypes
+
+
+# OK
+raise ctypes.WinError(1)

crates/ruff/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs

@@ -71,6 +71,16 @@ pub(crate) fn unnecessary_paren_on_raise_exception(checker: &mut Checker, expr:
             return;
         }
 
+        // `ctypes.WinError()` is a function, not a class. It's part of the standard library, so
+        // we might as well get it right.
+        if checker
+            .semantic()
+            .resolve_call_path(func)
+            .is_some_and(|call_path| matches!(call_path.as_slice(), ["ctypes", "WinError"]))
+        {
+            return;
+        }
+
         let range = match_parens(func.end(), checker.locator(), checker.source_type)
             .expect("Expected call to include parentheses");
         let mut diagnostic = Diagnostic::new(UnnecessaryParenOnRaiseException, range);