[fix] Update k6 version to fix path issue (#4)

go.mod

@@ -4,32 +4,16 @@ go 1.14
 
 require (
 	github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c // indirect
-	github.com/GeertJohan/go.rice v1.0.1-0.20191102153406-d954009f7238 // indirect
-	github.com/PuerkitoBio/goquery v1.6.0 // indirect
-	github.com/Soontao/goHttpDigestClient v0.0.0-20170320082612-6d28bb1415c5 // indirect
 	github.com/andybalholm/brotli v1.0.1 // indirect
-	github.com/daaku/go.zipexe v1.0.1 // indirect
-	github.com/dlclark/regexp2 v1.2.0 // indirect
-	github.com/dop251/goja v0.0.0-20200414142002-77e84ffb8c65 // indirect
 	github.com/dustin/go-humanize v1.0.1-0.20200219035652-afde56e7acac // indirect
-	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
-	github.com/golang/snappy v0.0.1 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.3 // indirect
 	github.com/linkedin/goavro/v2 v2.9.8
-	github.com/loadimpact/k6 v0.26.2
+	github.com/loadimpact/k6 v0.31.1
 	github.com/mitchellh/mapstructure v1.3.3 // indirect
-	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d // indirect
 	github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/segmentio/kafka-go v0.3.6
-	github.com/serenize/snaker v0.0.0-20201027110005-a7ad2135616e // indirect
-	github.com/sirupsen/logrus v1.6.0 // indirect
 	github.com/spf13/afero v1.2.3-0.20200504172317-c8608266dfb4 // indirect
 	github.com/tidwall/gjson v1.6.3 // indirect
-	github.com/viki-org/dnscache v0.0.0-20130720023526-c70c1f23c5d8 // indirect
-	golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9 // indirect
-	golang.org/x/text v0.3.2 // indirect
 	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
 	gopkg.in/guregu/null.v3 v3.5.0 // indirect
 )