chore: bump minimum Go to 1.26 and adopt 1.26 features (#2920)

taskfile/reader.go

@@ -413,8 +413,7 @@ func (r *Reader) readNode(ctx context.Context, node Node) (*ast.Taskfile, error)
 	var tf ast.Taskfile
 	if err := yaml.Unmarshal(b, &tf); err != nil {
 		// Decode the taskfile and add the file info the any errors
-		taskfileDecodeErr := &errors.TaskfileDecodeError{}
-		if errors.As(err, &taskfileDecodeErr) {
+		if taskfileDecodeErr, ok := errors.AsType[*errors.TaskfileDecodeError](err); ok {
 			snippet := NewSnippet(b,
 				WithLine(taskfileDecodeErr.Line),
 				WithColumn(taskfileDecodeErr.Column),