chore(deps): bump vuex from 3.1.1 to 3.1.2 in /frontend (#914)

Bumps [vuex](https://github.com/vuejs/vuex) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/vuejs/vuex/releases)
- [Commits](https://github.com/vuejs/vuex/compare/v3.1.1...v3.1.2)

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

frontend/package-lock.json

@@ -11885,9 +11885,9 @@
       "dev": true
     },
     "vuex": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/vuex/-/vuex-3.1.1.tgz",
-      "integrity": "sha512-ER5moSbLZuNSMBFnEBVGhQ1uCBNJslH9W/Dw2W7GZN23UQA69uapP5GTT9Vm8Trc0PzBSVt6LzF3hGjmv41xcg=="
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/vuex/-/vuex-3.1.2.tgz",
+      "integrity": "sha512-ha3jNLJqNhhrAemDXcmMJMKf1Zu4sybMPr9KxJIuOpVcsDQlTBYLLladav2U+g1AvdYDG5Gs0xBTb0M5pXXYFQ=="
     },
     "vuex-router-sync": {
       "version": "5.0.0",

frontend/package.json

@@ -21,7 +21,7 @@
     "vue": "^2.6.10",
     "vue-i18n": "^8.15.0",
     "vue-router": "^3.1.3",
-    "vuex": "^3.1.1",
+    "vuex": "^3.1.2",
     "vuex-router-sync": "^5.0.0"
   },
   "devDependencies": {