Update devDependencies

Author: aminya

package-lock.json

@@ -26,13 +26,13 @@
     "@atom/mocha-test-runner": "^1.6.0",
     "@types/atom": "^1.40.5",
     "@types/chai": "^4.2.14",
-    "@types/mocha": "^8.0.4",
-    "@types/node": "14.14.10",
+    "@types/mocha": "^8.2.0",
+    "@types/node": "14.14.12",
     "@types/sinon": "^9.0.9",
-    "@typescript-eslint/eslint-plugin": "^4.8.2",
-    "@typescript-eslint/parser": "^4.8.2",
+    "@typescript-eslint/eslint-plugin": "^4.9.1",
+    "@typescript-eslint/parser": "^4.9.1",
     "chai": "^4.2.0",
-    "eslint": "^7.14.0",
+    "eslint": "^7.15.0",
     "mocha": "^8.2.1",
     "mocha-appveyor-reporter": "^0.4.2",
     "sinon": "^9.2.1",