Run modernize (#21546)

`go run golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest -fix -test ./...` executed.

`go generate ./...` ran afterwards to keep generated.

internal/bucket/bandwidth/monitor.go

@@ -21,6 +21,7 @@ package bandwidth
 
 import (
 	"context"
+	"slices"
 	"sync"
 	"time"
 
@@ -83,12 +84,7 @@ func SelectBuckets(buckets ...string) SelectionFunction {
 		}
 	}
 	return func(bucket string) bool {
-		for _, bkt := range buckets {
-			if bkt == bucket {
-				return true
-			}
-		}
-		return false
+		return slices.Contains(buckets, bucket)
 	}
 }