small refactor and update next-release readme

internal/task/debug.go

@@ -1,6 +1,9 @@
 package task
 
-import "strings"
+import (
+	"slices"
+	"strings"
+)
 
 // debug only.
 func (t *Task) listChildren() []string {
@@ -24,3 +27,17 @@ func (t *Task) listCallbacks() []string {
 	}
 	return callbacks
 }
+
+// DebugTaskList returns list of all tasks.
+//
+// The returned string is suitable for printing to the console.
+func DebugTaskList() []string {
+	l := make([]string, 0, allTasks.Size())
+
+	allTasks.RangeAll(func(t *Task) {
+		l = append(l, t.name)
+	})
+
+	slices.Sort(l)
+	return l
+}