Add missing pyupgrade entry to changelog (#8479)

This got merged after the changelog was generated, but is part of the
release.

CHANGELOG.md

@@ -9,6 +9,7 @@
 - \[`pylint`\] Implement `bad-open-mode` (`W1501`) ([#8294](https://github.com/astral-sh/ruff/pull/8294))
 - \[`pylint`\] Implement `import-outside-toplevel` (`C0415`) rule ([#5180](https://github.com/astral-sh/ruff/pull/5180))
 - \[`pylint`\] Implement `useless-with-lock` (`W2101`) ([#8321](https://github.com/astral-sh/ruff/pull/8321))
+- \[`pyupgrade`\] Implement `timeout-error-alias` (`UP041`) ([#8476](https://github.com/astral-sh/ruff/pull/8476))
 - \[`refurb`\] Implement `isinstance-type-none` (`FURB168`) ([#8308](https://github.com/astral-sh/ruff/pull/8308))
 - Detect confusable Unicode-to-Unicode units in `RUF001`, `RUF002`, and `RUF003` ([#4430](https://github.com/astral-sh/ruff/pull/4430))
 - Add newline after module docstrings in preview style ([#8283](https://github.com/astral-sh/ruff/pull/8283))