deps: bump serde_json from 1.0.138 to 1.0.140

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.138 to 1.0.140.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](serde-rs/json@v1.0.138...v1.0.140)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -71,7 +71,7 @@ send_wrapper = "0.6.0"
 serde = { version = "1.0.218" }
 serde_ipld_dagcbor = "0.6.2"
 serde_ipld_dagjson = "0.2.0"
-serde_json = { version = "1.0.139" }
+serde_json = { version = "1.0.140" }
 serde-wasm-bindgen = "0.6.5"
 sha2 = "0.10.8"
 simple_x509 = "=1.1.0"