fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-VUEI18N-10771082

Author: snyk-io[bot]

package.json

@@ -43,7 +43,7 @@
     "tslib": "^2.3.1",
     "unplugin-auto-import": "^0.16.4",
     "vue": "~2.7.14",
-    "vue-i18n": "~8.28.2",
+    "vue-i18n": "~9.14.5",
     "vuex": "~3.6.2"
   },
   "engines": {