Bump serde from 1.0.124 to 1.0.126 (#9099)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.124 to 1.0.126.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.124...v1.0.126)

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

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

substrate/utils/frame/remote-externalities/Cargo.toml

@@ -21,7 +21,7 @@ env_logger = "0.8.2"
 log = "0.4.11"
 codec = { package = "parity-scale-codec", version = "2.0.0" }
 serde_json = "1.0"
-serde = "1.0.0"
+serde = "1.0.126"
 
 sp-io = { version = "4.0.0-dev", path = "../../../primitives/io" }
 sp-core = { version = "4.0.0-dev", path = "../../../primitives/core" }