build(deps): bump serial_test from 3.2.0 to 3.4.0 (#299)

Bumps [serial_test](https://github.com/palfrey/serial_test) from 3.2.0 to 3.4.0.
- [Release notes](https://github.com/palfrey/serial_test/releases)
- [Commits](palfrey/serial_test@v3.2.0...v3.4.0)

---
updated-dependencies:
- dependency-name: serial_test
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -41,7 +41,7 @@ serde_json = { version = "1.0", optional = true }
 anyhow = "1"
 assert_matches = "1.5.0"
 bincode = "1.3.3"
-serial_test = "3.2.0"
+serial_test = "3.4.0"
 solana-account = { version = "4.0.0", features = ["bincode"] }
 solana-borsh = "3.0.0"
 solana-example-mocks = "4.0.0"