fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3042992
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3105943

Author: snyk-bot

package-lock.json

@@ -56,7 +56,7 @@
         "webpack-dev-server": "^4.7.3"
     },
     "dependencies": {
-        "loader-utils": "^3.2.0",
+        "loader-utils": "^3.2.1",
         "post-robot": "8.0.29",
         "wolfy87-eventemitter": "5.2.4"
     },