chore: bump zx from 8.3.2 to 8.4.0

Bumps [zx](https://github.com/google/zx) from 8.3.2 to 8.4.0.
- [Release notes](https://github.com/google/zx/releases)
- [Commits](google/zx@8.3.2...8.4.0)

---
updated-dependencies:
- dependency-name: zx
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/rpc-transport-http/package.json

@@ -80,7 +80,7 @@
     "devDependencies": {
         "tinybench": "^3.1.1",
         "undici": "^7.4.0",
-        "zx": "^8.3.2"
+        "zx": "^8.4.0"
     },
     "peerDependencies": {
         "typescript": ">=5"