update opentelemetry version (#6)

Co-authored-by: andrey1s <andrey@4devs.pro>
Reviewed-on: #6
Co-authored-by: andrey <andrey@4devs.io>
Co-committed-by: andrey <andrey@4devs.io>

field/fields_test.go

@@ -3,7 +3,6 @@ package field_test
 import (
 	"testing"
 
-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/log/field"
 )
 
@@ -13,5 +12,7 @@ func TestFields_Append(t *testing.T) {
 	fields := field.Fields{field.Any("any", "value")}
 	fields = fields.Append(field.String("string", "value"))
 
-	require.Len(t, fields, 2)
+	if len(fields) != 2 {
+		t.Fatalf("require 2 field got %v", len(fields))
+	}
 }