[Temp] Iglu repo for failure entity schema

Remove this after failure entity schema is merged

Author: spenes

modules/common/src/test/scala/com.snowplowanalytics.snowplow.enrich.common/SpecHelpers.scala

@@ -65,6 +65,16 @@ object SpecHelpers extends CatsEffect {
             }
           }
         },
+        {
+          "name": "Temp Iglu Central",
+          "priority": 0,
+          "vendorPrefixes": [],
+          "connection": {
+            "http": {
+              "uri": "https://raw.githubusercontent.com/snowplow/iglu-central/incomplete-events-schema/"
+            }
+          }
+        },
         {
           "name": "Embedded src/test/resources",
           "priority": 100,