Update dependency wrangler to v2.1.6 (#37)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -9,7 +9,7 @@
     "@cloudflare/workers-types": "3.16.0",
     "graphql": "16.6.0",
     "typescript": "4.8.2",
-    "wrangler": "2.1.4"
+    "wrangler": "2.1.6"
   },
   "private": true,
   "scripts": {