npm: bump eslint-config-wikimedia from 0.25.1 to 0.26.0

Bumps [eslint-config-wikimedia](https://github.com/wikimedia/eslint-config-wikimedia) from 0.25.1 to 0.26.0.
- [Release notes](https://github.com/wikimedia/eslint-config-wikimedia/releases)
- [Changelog](https://github.com/wikimedia/eslint-config-wikimedia/blob/main/CHANGELOG.md)
- [Commits](wikimedia/eslint-config-wikimedia@v0.25.1...v0.26.0)

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

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