Fix linting issues

Signed-off-by: Arthur Silva Sens <[email protected]>

Author: Arthur Silva Sens

expfmt/openmetrics_create.go

@@ -22,9 +22,10 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/prometheus/common/model"
 	"google.golang.org/protobuf/types/known/timestamppb"
 
+	"github.com/prometheus/common/model"
+
 	dto "github.com/prometheus/client_model/go"
 )
 

expfmt/openmetrics_create_test.go

@@ -32,7 +32,7 @@ func TestCreateOpenMetrics(t *testing.T) {
 		t.Error(err)
 	}
 
-	var scenarios = []struct {
+	scenarios := []struct {
 		in      *dto.MetricFamily
 		options []ToOpenMetricsOption
 		out     string
@@ -543,7 +543,7 @@ foos_created 12345.6
 				Help: proto.String("Number of foos."),
 				Type: dto.MetricType_COUNTER.Enum(),
 				Metric: []*dto.Metric{
-					&dto.Metric{
+					{
 						Counter: &dto.Counter{
 							Value:            proto.Float64(42),
 							CreatedTimestamp: openMetricsTimestamp,