Update dependencies.

go.mod

@@ -29,7 +29,6 @@ require (
 	github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/chris-ramon/douceur v0.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/eapache/go-resiliency v1.3.0 // indirect
 	github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 // indirect
@@ -68,7 +67,7 @@ require (
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mediocregopher/radix/v3 v3.4.2 // indirect
-	github.com/microcosm-cc/bluemonday v1.0.5 // indirect
+	github.com/microcosm-cc/bluemonday v1.0.16 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/nats-io/nats.go v1.15.0 // indirect