Bump the known_good_semver group with 2 updates (#1485)

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


Updates `serde_json` from 1.0.105 to 1.0.106
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.105...v1.0.106)

Updates `syn` from 2.0.31 to 2.0.32
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/2.0.31...2.0.32)

---
updated-dependencies:
- dependency-name: serde_json
  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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

substrate/client/sysinfo/Cargo.toml

@@ -21,7 +21,7 @@ rand = "0.8.5"
 rand_pcg = "0.3.1"
 regex = "1"
 serde = { version = "1.0.188", features = ["derive"] }
-serde_json = "1.0.85"
+serde_json = "1.0.106"
 sc-telemetry = { path = "../telemetry" }
 sp-core = { path = "../../primitives/core" }
 sp-io = { path = "../../primitives/io" }