fix(deps): update module github.com/gomodule/redigo to v2

Author: renovate-bot

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/go-pg/migrations/v8 v8.1.0
 	github.com/go-pg/pg/v10 v10.10.4
 	github.com/gocraft/work v0.5.1
-	github.com/gomodule/redigo v1.8.5
+	github.com/gomodule/redigo/v2 v2.0.0
 	github.com/google/go-github/v38 v38.1.0
 	github.com/hashicorp/vault/api v1.1.1
 	github.com/iris-contrib/middleware/cors v0.0.0-20210110101738-6d0a4d799b5d