chore: Upgrade to Rails 7 (#6719)

fixes: #6736

package.json

@@ -25,7 +25,7 @@
     "@june-so/analytics-next": "^1.36.5",
     "@rails/actioncable": "6.1.3",
     "@rails/ujs": "^7.0.3-1",
-    "@rails/webpacker": "5.3.0",
+    "@rails/webpacker": "5.4.4",
     "@sentry/tracing": "^6.19.7",
     "@sentry/vue": "^6.19.7",
     "@tailwindcss/typography": "0.2.0",
@@ -78,7 +78,9 @@
     "vuelidate": "0.7.7",
     "vuex": "~2.1.1",
     "vuex-router-sync": "~4.1.2",
-    "wavesurfer.js": "^6.0.4"
+    "wavesurfer.js": "^6.0.4",
+    "webpack": "^4.46.0",
+    "webpack-cli": "^3.3.12"
   },
   "devDependencies": {
     "@babel/core": "7.13.16",
@@ -119,7 +121,7 @@
     "prettier": "^1.16.4",
     "rimraf": "^3.0.0",
     "vue-jest": "4",
-    "webpack-dev-server": "3.11.2"
+    "webpack-dev-server": "^3"
   },
   "engines": {
     "node": ">=10.x",