[ruff] Do not report when Optional has no type arguments (RUF013) (#14181)

## Summary

Resolves #13833.

## Test Plan

`cargo nextest run` and `cargo insta test`.

---------

Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>

crates/ruff_linter/resources/test/fixtures/ruff/RUF013_4.py

@@ -0,0 +1,21 @@
+# https://github.com/astral-sh/ruff/issues/13833
+
+from typing import Optional
+
+
+def no_default(arg: Optional): ...
+
+
+def has_default(arg: Optional = None): ...
+
+
+def multiple_1(arg1: Optional, arg2: Optional = None): ...
+
+
+def multiple_2(arg1: Optional, arg2: Optional = None, arg3: int = None): ...
+
+
+def return_type(arg: Optional = None) -> Optional: ...
+
+
+def has_type_argument(arg: Optional[int] = None): ...