Merge pull request #5 from ju-c/renovate/npm-ejs-vulnerability

Update dependency ejs to 3.1.7 [SECURITY]

Author: ju-c

frontend/package-lock.json

@@ -19,7 +19,7 @@
     "@vue/cli-plugin-babel": "~4.5.0",
     "@vue/cli-plugin-router": "~4.5.0",
     "@vue/cli-plugin-vuex": "~4.5.0",
-    "@vue/cli-service": "~4.5.0",
+    "@vue/cli-service": "~5.0.0",
     "@vue/compiler-sfc": "^3.0.0",
     "sass": "^1.26.5",
     "sass-loader": "^8.0.2"