Bump vuex from 3.1.3 to 3.4.0

Bumps [vuex](https://github.com/vuejs/vuex) from 3.1.3 to 3.4.0.
- [Release notes](https://github.com/vuejs/vuex/releases)
- [Changelog](https://github.com/vuejs/vuex/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuex/compare/v3.1.3...v3.4.0)

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

package.json

@@ -61,7 +61,7 @@
     "vue-router": "^3.1.6",
     "vue-server-renderer": "^2.6.11",
     "vue-template-compiler": "^2.6.11",
-    "vuex": "^3.1.3",
+    "vuex": "^3.4.0",
     "vuex-router-sync": "^5.0.0",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11",

yarn.lock

@@ -8594,10 +8594,10 @@ vuex-router-sync@^5.0.0:
   resolved "https://registry.yarnpkg.com/vuex-router-sync/-/vuex-router-sync-5.0.0.tgz#1a225c17a1dd9e2f74af0a1b2c62072e9492b305"
   integrity sha512-Mry2sO4kiAG64714X1CFpTA/shUH1DmkZ26DFDtwoM/yyx6OtMrc+MxrU+7vvbNLO9LSpgwkiJ8W+rlmRtsM+w==
 
-vuex@^3.1.3:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/vuex/-/vuex-3.1.3.tgz#f2ad73e3fb73691698b38c93f66e58e267947180"
-  integrity sha512-k8vZqNMSNMgKelVZAPYw5MNb2xWSmVgCKtYKAptvm9YtZiOXnRXFWu//Y9zQNORTrm3dNj1n/WaZZI26tIX6Mw==
+vuex@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/vuex/-/vuex-3.4.0.tgz#20cc086062d750769fce1febb34e7fceeaebde45"
+  integrity sha512-ajtqwEW/QhnrBZQsZxCLHThZZaa+Db45c92Asf46ZDXu6uHXgbfVuBaJ4gzD2r4UX0oMJHstFwd2r2HM4l8umg==
 
 watchpack@^1.6.0:
   version "1.6.0"