refactor: updated i18n implementation in the admin dashboard (#3395)

* feat: introduced new unplugin i18n and removed the old vite i18n package

* refactor: updated vite config to support the new plugin

* refactor: removed irrelevant logic from the i18n module

packages/hoppscotch-sh-admin/package.json

@@ -19,6 +19,7 @@
     "@graphql-typed-document-node/core": "^3.1.1",
     "@hoppscotch/ui": "workspace:^",
     "@hoppscotch/vue-toasted": "^0.1.0",
+    "@intlify/unplugin-vue-i18n": "^1.2.0",
     "@types/cors": "^2.8.13",
     "@types/express": "^4.17.15",
     "@urql/vue": "^1.0.4",
@@ -53,7 +54,6 @@
     "@graphql-codegen/urql-introspection": "2.2.1",
     "@import-meta-env/cli": "^0.6.3",
     "@import-meta-env/unplugin": "^0.4.8",
-    "@intlify/vite-plugin-vue-i18n": "^7.0.0",
     "@vitejs/plugin-vue": "^3.1.0",
     "@vue/compiler-sfc": "^3.2.6",
     "dotenv": "^16.0.3",