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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3043105

Author: snyk-bot

package.json

@@ -35,7 +35,7 @@
   },
   "dependencies": {
     "create-html-element": "^3.0.0",
-    "loader-utils": "^2.0.2",
+    "loader-utils": "^2.0.3",
     "lodash": "^4.17.21"
   },
   "devDependencies": {

yarn.lock

@@ -3557,10 +3557,10 @@ load-json-file@^4.0.0:
     pify "^3.0.0"
     strip-bom "^3.0.0"
 
-loader-utils@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.2.tgz#d6e3b4fb81870721ae4e0868ab11dd638368c129"
-  integrity sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==
+loader-utils@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.3.tgz#d4b15b8504c63d1fc3f2ade52d41bc8459d6ede1"
+  integrity sha512-THWqIsn8QRnvLl0shHYVBN9syumU8pYWEHPTmkiVGd+7K5eFNVSY6AJhRvgGF70gg1Dz+l/k8WicvFCxdEs60A==
   dependencies:
     big.js "^5.2.2"
     emojis-list "^3.0.0"