chore(deps): update dependency golangci/golangci-lint to v2.6.0 (#2246)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Jan-Otto Kröpke <mail@jkroepke.de>

internal/collector/logical_disk/logical_disk.go

@@ -775,6 +775,7 @@ func (c *Collector) workerBitlocker(ctx context.Context, initErrCh chan<- error)
 	// Otherwise, attempting to initialize and run parallel queries across
 	// goroutines will result in protected memory errors.
 	runtime.LockOSThread()
+
 	defer runtime.UnlockOSThread()
 
 	if err := ole.CoInitializeEx(0, ole.COINIT_APARTMENTTHREADED|ole.COINIT_DISABLE_OLE1DDE); err != nil {

internal/collector/performancecounter/performancecounter.go

@@ -21,6 +21,7 @@ import (
 	"errors"
 	"fmt"
 	"log/slog"
+	"maps"
 	"reflect"
 	"regexp"
 	"slices"
@@ -184,7 +185,7 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 
 				return reflect.StructField{
 					Name: strings.ToUpper(sanitizeMetricName(name)),
-					Type: reflect.TypeOf(float64(0)),
+					Type: reflect.TypeFor[float64](),
 					Tag:  reflect.StructTag(fmt.Sprintf(`perfdata:"%s"`, name)),
 				}, nil
 			}(counter.Name)
@@ -200,13 +201,13 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 		if object.Instances != nil {
 			fields = append(fields, reflect.StructField{
 				Name: "Name",
-				Type: reflect.TypeOf(""),
+				Type: reflect.TypeFor[string](),
 			})
 		}
 
 		fields = append(fields, reflect.StructField{
 			Name: "MetricType",
-			Type: reflect.TypeOf(prometheus.ValueType(0)),
+			Type: reflect.TypeFor[prometheus.ValueType](),
 		})
 
 		valueType := reflect.StructOf(fields)
@@ -321,7 +322,7 @@ func (c *Collector) collectObject(ch chan<- prometheus.Metric, perfDataObject Ob
 				continue
 			}
 
-			if field.Kind() != reflect.TypeOf(prometheus.ValueType(0)).Kind() {
+			if field.Kind() != reflect.TypeFor[prometheus.ValueType]().Kind() {
 				errs = append(errs, fmt.Errorf("failed to cast MetricType for %s to prometheus.ValueType", counter.Name))
 
 				continue
@@ -351,9 +352,7 @@ func (c *Collector) collectObject(ch chan<- prometheus.Metric, perfDataObject Ob
 				}
 			}
 
-			for key, value := range counter.Labels {
-				labels[key] = value
-			}
+			maps.Copy(labels, counter.Labels)
 
 			switch counter.Type {
 			case "counter":

internal/collector/scheduled_task/scheduled_task.go

@@ -248,6 +248,7 @@ func getScheduledTasks() (ScheduledTasks, error) {
 	// Otherwise, attempting to initialize and run parallel queries across
 	// goroutines will result in protected memory errors.
 	runtime.LockOSThread()
+
 	defer runtime.UnlockOSThread()
 
 	if err := ole.CoInitializeEx(0, ole.COINIT_APARTMENTTHREADED|ole.COINIT_DISABLE_OLE1DDE); err != nil {
@@ -256,6 +257,7 @@ func getScheduledTasks() (ScheduledTasks, error) {
 			return nil, err
 		}
 	}
+
 	defer ole.CoUninitialize()
 
 	schedClassID, err := ole.ClassIDFrom(SCHEDULED_TASK_PROGRAM_ID)

internal/collector/textfile/textfile.go

@@ -25,6 +25,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"slices"
 	"sort"
 	"strings"
 	"time"
@@ -183,17 +184,7 @@ func (c *Collector) convertMetricFamily(logger *slog.Logger, metricFamily *dto.M
 		}
 
 		for k := range allLabelNames {
-			present := false
-
-			for _, name := range names {
-				if k == name {
-					present = true
-
-					break
-				}
-			}
-
-			if !present {
+			if !slices.Contains(names, k) {
 				names = append(names, k)
 				values = append(values, "")
 			}

internal/collector/textfile/textfile_test_test.go

@@ -64,6 +64,7 @@ func TestMultipleDirectories(t *testing.T) {
 		err := val.Write(&metric)
 		require.NoError(t, err)
 
+		//nolint:modernize,perfsprint
 		got += metric.String()
 	}
 
@@ -102,6 +103,7 @@ func TestDuplicateFileName(t *testing.T) {
 		err := val.Write(&metric)
 		require.NoError(t, err)
 
+		//nolint:perfsprint
 		got += metric.String()
 	}
 

internal/collector/update/update.go

@@ -176,6 +176,7 @@ func (c *Collector) scheduleUpdateStatus(ctx context.Context, logger *slog.Logge
 	// Otherwise, attempting to initialize and run parallel queries across
 	// goroutines will result in protected memory errors.
 	runtime.LockOSThread()
+
 	defer runtime.UnlockOSThread()
 
 	if err := ole.CoInitializeEx(0, ole.COINIT_APARTMENTTHREADED|ole.COINIT_DISABLE_OLE1DDE); err != nil {