Update Go modules

* Update to latest modules.
* Use new syntax for http client[0].

[0]: prometheus/common#291

Signed-off-by: SuperQ <[email protected]>

Author: SuperQ

exporter/util.go

@@ -112,7 +112,7 @@ func CreateMetricsList(c config.Config) ([]JsonMetric, error) {
 
 func FetchJson(ctx context.Context, logger log.Logger, endpoint string, config config.Config) ([]byte, error) {
 	httpClientConfig := config.HTTPClientConfig
-	client, err := pconfig.NewClientFromConfig(httpClientConfig, "fetch_json", true, false)
+	client, err := pconfig.NewClientFromConfig(httpClientConfig, "fetch_json", pconfig.WithKeepAlivesDisabled(), pconfig.WithHTTP2Disabled())
 	if err != nil {
 		level.Error(logger).Log("msg", "Error generating HTTP client", "err", err) //nolint:errcheck
 		return nil, err

go.mod

@@ -3,13 +3,13 @@ module github.com/prometheus-community/json_exporter
 go 1.14
 
 require (
-	github.com/go-kit/kit v0.10.0
-	github.com/prometheus/client_golang v1.9.0
-	github.com/prometheus/common v0.15.0
-	github.com/prometheus/exporter-toolkit v0.5.1
+	github.com/go-kit/kit v0.11.0
+	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/common v0.30.0
+	github.com/prometheus/exporter-toolkit v0.6.1
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 	gopkg.in/yaml.v2 v2.4.0
-	k8s.io/client-go v0.20.2
+	k8s.io/client-go v0.22.0
 )
 
 exclude (