Bump eslint from 9.25.1 to 9.39.1 in /js

Bumps [eslint](https://github.com/eslint/eslint) from 9.25.1 to 9.39.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](eslint/eslint@v9.25.1...v9.39.1)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 9.39.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]