mod: bump trivial dependencies (#175)

go.mod

@@ -1,30 +1,19 @@
 module github.com/newrelic/nri-prometheus
 
-go 1.13
+go 1.16
 
 require (
-	github.com/googleapis/gnostic v0.2.3-0.20181019180348-e2aafd60c944 // indirect
-	github.com/hashicorp/hcl v1.0.1-0.20190611123218-cf7d376da96d // indirect
-	github.com/imdario/mergo v0.3.8 // indirect
 	github.com/newrelic/infra-integrations-sdk/v4 v4.1.0
-	github.com/newrelic/newrelic-telemetry-sdk-go v0.7.0
-	github.com/onsi/ginkgo v1.10.1 // indirect
-	github.com/onsi/gomega v1.7.0 // indirect
-	github.com/pelletier/go-toml v1.2.1-0.20181124002727-27c6b39a135b // indirect
+	github.com/newrelic/newrelic-telemetry-sdk-go v0.7.1
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.10.0
 	github.com/prometheus/client_model v0.2.0
-	github.com/prometheus/common v0.21.0
+	github.com/prometheus/common v0.23.0
 	github.com/sirupsen/logrus v1.8.1
-	github.com/spf13/cast v1.3.1-0.20190531093228-c01685bb8421 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/viper v1.7.1
-	github.com/stretchr/objx v0.1.2-0.20180626195558-9e1dfc121bca // indirect
 	github.com/stretchr/testify v1.7.0
 	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/api v0.16.10
 	k8s.io/apimachinery v0.16.10
 	k8s.io/client-go v0.15.12
-	k8s.io/utils v0.0.0-20191010214722-8d271d903fe4 // indirect
-	sigs.k8s.io/yaml v1.1.1-0.20181103002144-5fa4c7f5e38d // indirect
 )