fix(package): update apidoc to version 0.22.1

Closes #49

Author: greenkeeper[bot]

package.json

@@ -11,7 +11,7 @@
     "@hapi/joi": "^17.1.1",
     "@types/amqplib": "^0.5.4",
     "amqplib": "^0.5.2",
-    "apidoc": "^0.17.6",
+    "apidoc": "^0.22.1",
     "base-64": "^0.1.0",
     "debug": "^4.0.0",
     "express": "^4.16.2",