Bump serde_json from 1.0.67 to 1.0.68 (#1310)

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.67 to 1.0.68.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](serde-rs/json@v1.0.67...v1.0.68)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -68,7 +68,7 @@ rand_chacha = { version = "0.3.1", default-features = false }
 ruzstd = { version = "0.2.4" }  # TODO: doesn't support no_std :-/
 schnorrkel = { version = "0.10.1", default-features = false, features = ["preaudit_deprecated", "u64_backend"] }
 serde = { version = "1.0.130", default-features = false, features = ["alloc", "derive"] }
-serde_json = { version = "1.0.67", default-features = false, features = ["alloc", "raw_value"] }
+serde_json = { version = "1.0.68", default-features = false, features = ["alloc", "raw_value"] }
 sha2 = { version = "0.9.8", default-features = false }
 slab = { version = "0.4.4", default-features = false }
 smallvec = "1.6.1"

bin/wasm-node/rust/Cargo.toml

@@ -22,6 +22,6 @@ log = { version = "0.4.14", features = ["std"] }
 lru = "0.6.6"
 pin-project = "1.0.8"
 rand = "0.8.4"
-serde_json = "1.0.67"
+serde_json = "1.0.68"
 slab = { version = "0.4.4", default-features = false }
 smoldot = { version = "0.1.0", path = "../../..", default-features = false }