remove nancy ignore list, as upstream issue is fixed

.nancy-ignore

@@ -1,5 +0,0 @@
-CVE-2020-13223
-CVE-2020-7220
-CVE-2020-10661
-CVE-2020-10660
-CWE-190

go.mod

@@ -32,6 +32,7 @@ require (
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/rpc v1.2.0
+	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/hashicorp/vault/api v1.0.4
 	github.com/json-iterator/go v1.1.10
 	github.com/klauspost/compress v1.10.3

go.sum

@@ -168,6 +168,8 @@ github.com/gorilla/rpc v1.2.0 h1:WvvdC2lNeT1SP32zrIce5l0ECBfbAlmrmSBsuc57wfk=
 github.com/gorilla/rpc v1.2.0/go.mod h1:V4h9r+4sF5HnzqbwIez0fKSpANP0zlYd3qR7p36jkTQ=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c h1:Lh2aW+HnU2Nbe1gqD9SOJLJxW1jBMmQOktN2acDyJk8=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 h1:z53tR0945TRRQO/fLEVPI6SMv7ZflF0TEaTAoU7tOzg=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=