[pycodestyle] Make example not raise unnecessary SyntaxError (E114) (#19190)

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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

Part of #18972

This PR makes [indentation-with-invalid-multiple-comment
(E114)](https://docs.astral.sh/ruff/rules/indentation-with-invalid-multiple-comment/#indentation-with-invalid-multiple-comment-e114)'s
example not raise a syntax error by adding a 4 space indented `...`. The
example still gave `E114` without this, but adding the `...` both makes
the change in indentation of the comment clearer, and makes it not give
a `SyntaxError`.

## Test Plan

<!-- How was it tested? -->

N/A, no functionality/tests affected

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/indentation.rs

@@ -60,12 +60,14 @@ impl Violation for IndentationWithInvalidMultiple {
 /// ```python
 /// if True:
 ///    # a = 1
+///     ...
 /// ```
 ///
 /// Use instead:
 /// ```python
 /// if True:
 ///     # a = 1
+///     ...
 /// ```
 ///
 /// ## Formatter compatibility