Bump deps.kotlin from 1.4.20 to 1.4.21
Bump deps.kotlin from 1.4.20 to 1.4.21

Bumps `deps.kotlin` from 1.4.20 to 1.4.21.

Updates `kotlin-gradle-plugin` from 1.4.20 to 1.4.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.4.20...v1.4.21)

Updates `kotlin-stdlib-jdk7` from 1.4.20 to 1.4.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.4.20...v1.4.21)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
CruGlobal/android-gto-support,CruGlobal/android-gto-support,GlobalTechnology/android-gto-support