update packages

package.json

@@ -24,33 +24,30 @@
     "socket.io-client": "^4.1.2",
     "splitpanes": "^2.3.8",
     "uuid": "^8.3.2",
-    "vue": "^2.6.14",
+    "vue": "2.7",
     "vue-beautiful-chat": "^2.5.0",
     "vue-router": "^3.5.1",
     "vuetify": "^2.6.0",
     "vuex": "^3.6.2",
     "vuex-persistedstate": "^3.0.1"
   },
   "devDependencies": {
-    "@vue/cli-plugin-babel": "^4.5.13",
-    "@vue/cli-plugin-e2e-cypress": "^4.5.13",
-    "@vue/cli-plugin-eslint": "^4.5.13",
-    "@vue/cli-plugin-router": "^4.5.13",
-    "@vue/cli-plugin-unit-mocha": "^4.5.13",
-    "@vue/cli-plugin-vuex": "^4.5.13",
-    "@vue/cli-service": "^4.5.13",
+    "@vue/cli-plugin-babel": "^4.5.18",
+    "@vue/cli-plugin-e2e-cypress": "^4.5.18",
+    "@vue/cli-plugin-eslint": "^4.5.18",
+    "@vue/cli-plugin-router": "^4.5.18",
+    "@vue/cli-plugin-unit-mocha": "^4.5.18",
+    "@vue/cli-plugin-vuex": "^4.5.18",
+    "@vue/cli-service": "^4.5.18",
     "@vue/eslint-config-airbnb": "^5.3.0",
-    "@vue/test-utils": "1.2.0",
     "babel-eslint": "^10.0.3",
     "chai": "^4.3.4",
     "deepmerge": "^4.2.2",
-    "electron-devtools-installer": "^3.2.0",
     "eslint": "^7.27.0",
-    "eslint-plugin-vue": "^7.10.0",
+    "eslint-plugin-vue": "^9.8.0",
     "sass": "^1.34.1",
     "sass-loader": "^10.0.0",
     "vue-cli-plugin-vuetify": "^2.4.8",
-    "vue-template-compiler": "^2.6.14",
     "vuetify-loader": "^1.7.0",
     "webpack-bundle-analyzer": "^4.5.0"
   }