chore(deps): update dependency eslint to v6.8.0 (#8062)

Co-authored-by: WhiteSource Renovate <renovatebot@gmail.com>

install/package.json

@@ -134,7 +134,7 @@
         "@commitlint/cli": "8.3.5",
         "@commitlint/config-angular": "8.3.4",
         "coveralls": "3.0.9",
-        "eslint": "6.7.0",
+        "eslint": "6.8.0",
         "eslint-config-airbnb-base": "14.0.0",
         "eslint-plugin-import": "2.18.2",
         "grunt": "1.0.4",