Bump serde_json from 1.0.28 to 1.0.30
Bump serde_json from 1.0.28 to 1.0.30

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.28 to 1.0.30.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.28...v1.0.30)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
yasuyuky/ghteam-auth,yasuyuky/ghteam-auth