lint cleanup, dependancy updates for tests

Version

@@ -1 +1 @@
-0.5.7
+0.5.8

go.mod

@@ -4,18 +4,26 @@ go 1.13
 
 require (
 	github.com/alecthomas/chroma v0.8.2 // indirect
-	github.com/antlr/antlr4 v0.0.0-20200503195918-621b933c7a7f // indirect
+	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 // indirect
+	github.com/aryann/difflib v0.0.0-20210328193216-ff5ff6dc229b // indirect
 	github.com/aws/aws-sdk-go v1.44.272
 	github.com/caddyserver/caddy/v2 v2.6.4
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/dustin/go-humanize v1.0.1
+	github.com/google/cel-go v0.13.0 // indirect
 	github.com/google/cel-spec v0.4.0 // indirect
 	github.com/jsternberg/zap-logfmt v1.2.0 // indirect
 	github.com/klauspost/cpuid v1.3.1 // indirect
 	github.com/lucas-clemente/quic-go v0.19.3 // indirect
 	github.com/naoina/go-stringutil v0.1.0 // indirect
 	github.com/naoina/toml v0.1.1 // indirect
+	github.com/smallstep/certificates v0.23.2 // indirect
 	github.com/smallstep/cli v0.15.2 // indirect
+	github.com/spf13/cobra v1.7.0 // indirect
 	github.com/yuin/goldmark-highlighting v0.0.0-20200307114337-60d527fdb691 // indirect
+	go.step.sm/crypto v0.23.2 // indirect
+	go.step.sm/linkedca v0.19.1 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.24.0
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )