Bump jest from 30.2.0 to 30.3.0 in /js

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) from 30.2.0 to 30.3.0.
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.3.0/packages/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-version: 30.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

js/package.json

@@ -66,7 +66,7 @@
     "eslint-plugin-json": "^3.1.0",
     "eslint-plugin-prettier": "^5.5.4",
     "isomorphic-fetch": "^3.0.0",
-    "jest": "^30.2.0",
+    "jest": "^30.3.0",
     "jest-environment-jsdom": "^30.2.0",
     "jest-junit": "^16.0.0",
     "jest-transform-css": "^6.0.3",