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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-1018905
- https://snyk.io/vuln/SNYK-JS-LODASH-1040724
- https://snyk.io/vuln/npm:debug:20170905

package.json

@@ -25,7 +25,7 @@
     "stimulus": "^1.1.1",
     "turbolinks": "^5.2.0",
     "wavesurfer.js": "^4.2.0",
-    "@babel/plugin-proposal-class-properties": "^7.10.4",
+    "@babel/plugin-proposal-class-properties": "^7.18.6",
     "@babel/plugin-syntax-dynamic-import": "^7.8.3"
   },
   "version": "0.1.0",