chore(deps): bump serde_json from 1.0.139 to 1.0.140 in /examples (#559)

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.139 to 1.0.140.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.139...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/Cargo.lock

@@ -2580,9 +2580,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.139"
+version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44f86c3acccc9c65b153fe1b85a3be07fe5515274ec9f0653b4a0875731c72a6"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
 dependencies = [
  "itoa",
  "memchr",