style: use eslint 7

Author: coderbyheart

package-lock.json

@@ -22,12 +22,12 @@
   "dependencies": {
     "@typescript-eslint/eslint-plugin": "5.1.0",
     "@typescript-eslint/parser": "5.1.0",
-    "eslint": "7.32.0",
     "eslint-config-prettier": "8.3.0"
   },
   "devDependencies": {
     "@commitlint/cli": "13.2.1",
     "@commitlint/config-angular": "13.2.0",
+    "@nordicsemiconductor/eslint-config-asset-tracker-cloud-typescript": "8.1.10",
     "husky": "7.0.2",
     "lint-staged": "11.2.3",
     "pinst": "2.1.6",