added missing module

Author: Dave Storey

go.mod

@@ -10,6 +10,8 @@ require (
 	github.com/onsi/ginkgo v1.10.3
 	github.com/onsi/gomega v1.7.0
 	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e
+	github.com/sirupsen/logrus v1.4.2 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/xinsnake/databricks-sdk-golang v0.1.2
 	golang.org/x/crypto v0.0.0-20191112222119-e1110fd1c708 // indirect