Update rotp → 6.3.0 The pull request at https://github.com/heapsource/active_model_otp/pull/118 summarize the only change on this release which address https://github.com/advisories/GHSA-x2h8-qmj4-g62f advisory

Notably, version 2.3.3 was skipped due to an error encountered during the version bump process.