fix(deps): update dependency ngx-vcard to v1.2.20 (#404)

Author: renovate[bot]

Phonebook.Frontend/package-lock.json

@@ -62,7 +62,7 @@
     "ngx-clipboard": "12.3.0",
     "ngx-infinite-scroll": "8.0.1",
     "ngx-propagation-stop": "1.0.22",
-    "ngx-vcard": "1.2.18",
+    "ngx-vcard": "1.2.20",
     "raven-js": "3.27.2",
     "rxjs": "6.5.3",
     "uglify-es": "3.3.9",