build(deps): Bump serde_json in /functional-tests in the rust group

Bumps the rust group in /functional-tests with 1 update: [serde_json](https://github.com/serde-rs/json).


Updates `serde_json` from 1.0.135 to 1.0.137
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.135...v1.0.137)

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

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

functional-tests/Cargo.lock

@@ -170,9 +170,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.135"
+version = "1.0.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b0d7ba2887406110130a978386c4e1befb98c674b4fba677954e4db976630d9"
+checksum = "930cfb6e6abf99298aaad7d29abbef7a9999a9a8806a40088f55f0dcec03146b"
 dependencies = [
  "itoa",
  "memchr",

functional-tests/Cargo.toml

@@ -7,7 +7,7 @@ authors = ["Adrian Utrilla <adrianutrilla@gmail.com>"]
 [dependencies]
 tempfile = "3.15.0"
 serde = "1.0"
-serde_json = "1.0.135"
+serde_json = "1.0.137"
 serde_yaml = "0.9.34"
 serde_derive = "1.0"
 lazy_static = "1.5.0"