Update github/gen-iterators.go

Co-authored-by: Oleksandr Redko <oleksandr.red+github@gmail.com>

Author: merchantmoh-debug

github/gen-iterators.go

@@ -363,14 +363,14 @@ func (t *templateData) dump() error {
 	return processTemplate(testTmpl, "iterators_gen_test.go")
 }
 
-const source = `// Code generated by gen-iterators; DO NOT EDIT.
-
-// Copyright 2026 The go-github AUTHORS. All rights reserved.
+const source = `// Copyright {{.Year}} The go-github AUTHORS. All rights reserved.
 //
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-
+// Code generated by gen-iterators; DO NOT EDIT.
+// Instead, please run "go generate ./..." as described here:
+// https://github.com/google/go-github/blob/master/CONTRIBUTING.md#submitting-a-patch
 
 package {{.Package}}