Bump serde_json from 1.0.74 to 1.0.79 (#11020)

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.74 to 1.0.79.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.74...v1.0.79)

---
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>

substrate/utils/frame/benchmarking-cli/Cargo.toml

@@ -38,7 +38,7 @@ codec = { version = "3.0.0", package = "parity-scale-codec" }
 clap = { version = "3.1.6", features = ["derive"] }
 chrono = "0.4"
 serde = "1.0.136"
-serde_json = "1.0.74"
+serde_json = "1.0.79"
 handlebars = "4.1.6"
 Inflector = "0.11.4"
 linked-hash-map = "0.5.4"