build(deps-dev): bump eslint from 6.8.0 to 7.27.0

Bumps [eslint](https://github.com/eslint/eslint) from 6.8.0 to 7.27.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v6.8.0...v7.27.0)

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

package.json

@@ -38,7 +38,7 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "coveralls": "^3.0.5",
-    "eslint": "^6.0.1",
+    "eslint": "^7.27.0",
     "eslint-config-brightspace": "^0.6.4",
     "jwa": "^1.1.4",
     "mocha": "^6.2.0",