Fix incorect placement of trailing stub function comments (#11632)

crates/ruff_python_formatter/tests/snapshots/format@statement__stub_functions_trailing_comments.py.snap

@@ -0,0 +1,77 @@
+---
+source: crates/ruff_python_formatter/tests/fixtures.rs
+input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/statement/stub_functions_trailing_comments.py
+---
+## Input
+```python
+# Regression tests for https://github.com/astral-sh/ruff/issues/11569
+
+
+# comment 1
+def foo(self) -> None: ...
+def bar(self) -> None: ...
+# comment 2
+
+# comment 3
+def baz(self) -> None:
+    return None
+# comment 4
+
+
+def foo(self) -> None: ...
+# comment 5
+
+def baz(self) -> None:
+    return None
+
+
+def foo(self) -> None:
+    ... # comment 5
+def baz(self) -> None:
+    return None
+
+def foo(self) -> None: ...
+# comment 5
+```
+
+## Output
+```python
+# Regression tests for https://github.com/astral-sh/ruff/issues/11569
+
+
+# comment 1
+def foo(self) -> None: ...
+def bar(self) -> None: ...
+
+
+# comment 2
+
+
+# comment 3
+def baz(self) -> None:
+    return None
+
+
+# comment 4
+
+
+def foo(self) -> None: ...
+
+
+# comment 5
+
+
+def baz(self) -> None:
+    return None
+
+
+def foo(self) -> None: ...  # comment 5
+def baz(self) -> None:
+    return None
+
+
+def foo(self) -> None: ...
+
+
+# comment 5
+```