* stylelint-config-wikimedia: 0.7.0 → 0.8.0
* grunt-stylelint: 0.12.0 → 0.13.0
Additional changes:
* And updating CoC link to use Special:MyLanguage (T202047).
* Set `private: true` in package.json.
* Set `root: true` in .eslintrc.json (T206485).
* Added .eslintcache to .gitignore.
* Removing manual reportUnusedDisableDirectives for eslint.
Change-Id: I18a1f384d62d71ed40be67f20000a03cb741a7d0