Bump ava from 6.1.3 to 6.4.1 in /clients/js (#54)

Bumps [ava](https://github.com/avajs/ava) from 6.1.3 to 6.4.1.
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v6.1.3...v6.4.1)

---
updated-dependencies:
- dependency-name: ava
  dependency-version: 6.4.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

clients/js/package.json

@@ -44,7 +44,7 @@
     "@types/node": "^24",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "@typescript-eslint/parser": "^7.16.1",
-    "ava": "^6.1.3",
+    "ava": "^6.4.1",
     "eslint": "^8.57.0",
     "prettier": "^3.6.2",
     "rimraf": "^5.0.5",