Bump annotations from 21.0.0 to 21.0.1

Bumps [annotations](https://github.com/JetBrains/java-annotations) from 21.0.0 to 21.0.1.
- [Release notes](https://github.com/JetBrains/java-annotations/releases)
- [Changelog](https://github.com/JetBrains/java-annotations/blob/master/CHANGELOG.md)
- [Commits](https://github.com/JetBrains/java-annotations/compare/21.0.0...21.0.1

)

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