⚙️ Fixes an issue with commit signing where commit SHAs have variable lengths when abbreviated.

What's Changed

• fix: disable abbreviated commit shas in diff by @peter-evans in https://github.com/peter-evans/create-pull-request/pull/3337

Full Changelog: https://github.com/peter-evans/create-pull-request/compare/v7.0.2...v7.0.3