chore: update golangci-lint config

internal/cron/cron.go

@@ -1,3 +1,5 @@
+package cron
+
 // Package cron implements a crontab-like service to execute and schedule
 // repeative tasks/jobs.
 //
@@ -6,13 +8,12 @@
 //	c := cron.New()
 //	c.MustAdd("dailyReport", "0 0 * * *", func() { ... })
 //	c.Start()
-package cron
 
 import (
-	"errors"
-	"fmt"
 	"sync"
 	"time"
+
+	"github.com/pkg/errors"
 )
 
 type job struct {
@@ -90,7 +91,7 @@ func (c *Cron) Add(jobID string, cronExpr string, run func()) error {
 
 	schedule, err := NewSchedule(cronExpr)
 	if err != nil {
-		return fmt.Errorf("failed to add new cron job: %w", err)
+		return errors.Wrap(err, "failed to add new cron job")
 	}
 
 	c.jobs[jobID] = &job{

internal/cron/schedule.go

@@ -1,11 +1,11 @@
 package cron
 
 import (
-	"errors"
-	"fmt"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/pkg/errors"
 )
 
 // Moment represents a parsed single time moment.
@@ -132,7 +132,7 @@ func parseCronSegment(segment string, min int, max int) (map[int]struct{}, error
 				return nil, err
 			}
 			if parsedStep < 1 || parsedStep > max {
-				return nil, fmt.Errorf("invalid segment step boundary - the step must be between 1 and the %d", max)
+				return nil, errors.New("invalid segment step boundary")
 			}
 			step = parsedStep
 		default:
@@ -167,7 +167,7 @@ func parseCronSegment(segment string, min int, max int) (map[int]struct{}, error
 					return nil, err
 				}
 				if parsedMin < min || parsedMin > max {
-					return nil, fmt.Errorf("invalid segment range minimum - must be between %d and %d", min, max)
+					return nil, errors.New("invalid segment range minimum")
 				}
 				rangeMin = parsedMin
 
@@ -176,7 +176,7 @@ func parseCronSegment(segment string, min int, max int) (map[int]struct{}, error
 					return nil, err
 				}
 				if parsedMax < parsedMin || parsedMax > max {
-					return nil, fmt.Errorf("invalid segment range maximum - must be between %d and %d", rangeMin, max)
+					return nil, errors.New("invalid segment range maximum")
 				}
 				rangeMax = parsedMax
 			default: