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/chain-spec/Cargo.toml

@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 memmap2 = "0.5.0"
 serde = { version = "1.0.188", features = ["derive"] }
-serde_json = "1.0.85"
+serde_json = "1.0.106"
 sc-client-api = { path = "../api" }
 sc-chain-spec-derive = { path = "derive" }
 sc-executor = { path = "../executor" }

substrate/client/chain-spec/derive/Cargo.toml

@@ -18,4 +18,4 @@ proc-macro = true
 proc-macro-crate = "1.1.3"
 proc-macro2 = "1.0.56"
 quote = "1.0.28"
-syn = "2.0.31"
+syn = "2.0.32"