Bump eslint-plugin-vue from 8.3.0 to 8.4.0 in /ui

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 8.3.0 to 8.4.0.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Commits](vuejs/eslint-plugin-vue@v8.3.0...v8.4.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-vue
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

ui/package.json

@@ -67,7 +67,7 @@
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-promise": "^6.0.0",
     "eslint-plugin-standard": "^5.0.0",
-    "eslint-plugin-vue": "^8.3.0",
+    "eslint-plugin-vue": "^8.4.0",
     "expect-playwright": "^0.8.0",
     "file-loader": "^6.2.0",
     "friendly-errors-webpack-plugin": "^1.6.1",

ui/yarn.lock

@@ -4096,10 +4096,10 @@ eslint-plugin-standard@^5.0.0:
   resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-5.0.0.tgz#c43f6925d669f177db46f095ea30be95476b1ee4"
   integrity sha512-eSIXPc9wBM4BrniMzJRBm2uoVuXz2EPa+NXPk2+itrVt+r5SbKFERx/IgrK/HmfjddyKVz2f+j+7gBRvu19xLg==
 
-eslint-plugin-vue@^8.3.0:
-  version "8.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-8.3.0.tgz#2ae4f915ed3541a58c4a4c1145c1e60b86aa7e85"
-  integrity sha512-IIuLHw4vQxGlHcoP2dG6t/2OVdQf2qoyAzEGAxreU1afZOHGA7y3TWq8I+r3ZA6Wjs6xpeUWGHlT31QGr9Rb5g==
+eslint-plugin-vue@^8.4.0:
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-8.4.0.tgz#16e59b356386b4428fb7d886b6d8ee5df2bbc09d"
+  integrity sha512-Ga96QRG8GA9AyzKtEDxqYRCMt/VJM4SLkcNmm4FvUiFBE4jpaBr25unRBi9iVmHLYhA9EZ/4I+jD8n1vfWzyAA==
   dependencies:
     eslint-utils "^3.0.0"
     natural-compare "^1.4.0"