chore: bump serde_json from 1.0.75 to 1.0.78 (#22748)

* chore: bump serde_json from 1.0.75 to 1.0.78

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.75 to 1.0.78.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.75...v1.0.78)

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

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

* [auto-commit] Update all Cargo lock files

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

rpc-test/Cargo.toml

@@ -18,7 +18,7 @@ jsonrpc-core-client = { version = "18.0.0", features = ["ipc", "ws"] }
 log = "0.4.11"
 reqwest = { version = "0.11.5", default-features = false, features = ["blocking", "rustls-tls", "json"] }
 serde = "1.0.134"
-serde_json = "1.0.75"
+serde_json = "1.0.78"
 solana-account-decoder = { path = "../account-decoder", version = "=1.10.0" }
 solana-client = { path = "../client", version = "=1.10.0" }
 solana-rpc = { path = "../rpc", version = "=1.10.0" }