[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

scripts/check_docs_formatted.py

@@ -57,6 +57,7 @@ KNOWN_FORMATTING_VIOLATIONS = [
     "incorrect-blank-line-after-class",
     "incorrect-blank-line-before-class",
     "indentation-with-invalid-multiple",
+    "indentation-with-invalid-multiple-comment",
     "line-too-long",
     "missing-trailing-comma",
     "missing-whitespace",
@@ -111,7 +112,6 @@ KNOWN_FORMATTING_VIOLATIONS = [
 # For some docs, Ruff is unable to parse the example code.
 KNOWN_PARSE_ERRORS = [
     "blank-line-with-whitespace",
-    "indentation-with-invalid-multiple-comment",
     "indented-form-feed",
     "missing-newline-at-end-of-file",
     "mixed-spaces-and-tabs",