Update dependency nodemon to v2.0.6

Author: renovate-bot

package-lock.json

@@ -45,7 +45,7 @@
     "chance": "1.1.7",
     "cross-env": "7.0.2",
     "jest": "26.6.0",
-    "nodemon": "2.0.5",
+    "nodemon": "2.0.6",
     "prettier": "2.1.2",
     "subscriptions-transport-ws": "0.9.18",
     "supertest": "5.0.0",