chore(deps): bump execa in /javascript/packages/orchestrator

Bumps [execa](https://github.com/sindresorhus/execa) from 5.1.1 to 9.4.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v5.1.1...v9.4.0)

---
updated-dependencies:
- dependency-name: execa
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

javascript/packages/orchestrator/package.json

@@ -43,7 +43,7 @@
     "@zombienet/utils": "^0.0.25",
     "chai": "^4.3.10",
     "debug": "^4.3.4",
-    "execa": "^5.1.1",
+    "execa": "^9.4.0",
     "fs-extra": "^11.2.0",
     "jsdom": "^23.2.0",
     "json-bigint": "^1.0.0",