Bump the known_good_semver group across 1 directory with 3 updates

Bumps the known_good_semver group with 2 updates in the / directory: [serde](https://github.com/serde-rs/serde) and [syn](https://github.com/dtolnay/syn).


Updates `serde` from 1.0.210 to 1.0.214
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.210...v1.0.214)

Updates `serde_derive` from 1.0.210 to 1.0.214
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.210...v1.0.214)

Updates `syn` from 2.0.82 to 2.0.85
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/2.0.82...2.0.85)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: known_good_semver
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: known_good_semver
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: known_good_semver
...

Signed-off-by: dependabot[bot] <[email protected]>