chore: update deps without webpack v5 / prevent conflict

Author: deleonio

package.json

@@ -15,12 +15,12 @@
   },
   "main": "index.js",
   "dependencies": {
-    "loader-utils": "^1.2.3",
-    "schema-utils": "^2.6.5"
+    "loader-utils": "^2.0.0",
+    "schema-utils": "^3.0.0"
   },
   "devDependencies": {
-    "chai": "^4.1.2",
-    "mocha": "^5.0.1",
+    "chai": "^4.2.0",
+    "mocha": "^8.2.0",
     "webpack": "^4.34.0"
   },
   "peerDependencies": {