Bump error_prone_annotations from 2.3.3 to 2.4.0
Bump error_prone_annotations from 2.3.3 to 2.4.0

Bumps [error_prone_annotations](https://github.com/google/error-prone) from 2.3.3 to 2.4.0.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](https://github.com/google/error-prone/compare/v2.3.3...v2.4.0)

Signed-off-by: dependabot[bot] <support@github.com>

Fixes #728

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=327044985

google/truth,google/truth,google/truth