docs: update i18n

Author: undefined

package.json

@@ -50,7 +50,7 @@
     "slash": "^3.0.0",
     "umi-request": "^1.3.5",
     "vue": "^3.0.10",
-    "vue-i18n": "^9.0.0-rc.1",
+    "vue-i18n": "^9.2.2",
     "vue-request": "^1.0.4",
     "vue-router": "^4.0.2",
     "vuex": "^4.0.0"