Fix: included missing dependency

(coscine/issues#659)

package-lock.json

 {
   "name": "@coscine/project-creation",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1620,9 +1620,9 @@
       "dev": true
     },
     "@hapi/hoek": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-8.5.0.tgz",
-      "integrity": "sha512-7XYT10CZfPsH7j9F1Jmg1+d0ezOux2oM2GfArAzLwWe4mE2Dr3hVjsAL6+TFY49RRJlCdJDMw3nJsLFroTc8Kw==",
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-8.5.1.tgz",
+      "integrity": "sha512-yN7kbciD87WzLGc5539Tn0sApjyiGHAJgKvG9W8C7O+6c7qmoQMfVs0W4bX17eqz6C78QJqqFrtgdK5EWf6Qow==",
       "dev": true
     },
     "@hapi/joi": {
@@ -2776,6 +2776,14 @@
       "integrity": "sha512-TfcyNecCz8Z9/s90gBOBniyzZrTru8u2Vp0VZODq4KEBaQu8bfXvu7o/KUOecMpzjbFPUA7aqgSq628Iue5BQg==",
       "dev": true
     },
+    "@voerro/vue-tagsinput": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@voerro/vue-tagsinput/-/vue-tagsinput-2.1.0.tgz",
+      "integrity": "sha512-Sm05urpfRkY65IBcpIM7CFumB1+TcoOqP9AzAgdClQPIQn2yAxmV0zFoQ/ZOGmS2SLNok/LyKWFSPSP52Zor1w==",
+      "requires": {
+        "vue": "^2.5.0"
+      }
+    },
     "@vue/babel-helper-vue-jsx-merge-props": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/@vue/babel-helper-vue-jsx-merge-props/-/babel-helper-vue-jsx-merge-props-1.0.0.tgz",
@@ -23268,8 +23276,7 @@
     "vue-runtime-helpers": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vue-runtime-helpers/-/vue-runtime-helpers-1.1.2.tgz",
-      "integrity": "sha512-pZfGp+PW/IXEOyETE09xQHR1CKkR9HfHZdnMD/FVLUNI+HxYTa82evx5WrF6Kz4s82qtqHvMZ8MZpbk2zT2E1Q==",
-      "dev": true
+      "integrity": "sha512-pZfGp+PW/IXEOyETE09xQHR1CKkR9HfHZdnMD/FVLUNI+HxYTa82evx5WrF6Kz4s82qtqHvMZ8MZpbk2zT2E1Q=="
     },
     "vue-style-loader": {
       "version": "4.1.2",