feat: #551 Upgrade angular

Author: enriquezrene

package-lock.json

@@ -41,7 +41,7 @@
     "ngx-mask": "^9.1.2",
     "ngx-pagination": "^5.0.0",
     "ngx-toastr": "^12.0.1",
-    "rxjs": "~6.5.4",
+    "rxjs": "~6.6.3",
     "tslib": "^1.10.0",
     "zone.js": "~0.10.2"
   },