Use year 2023 in the License headers (#13193)

ggwpez · Ross Bulat · commit dcf21caa80fd · 2023-02-03T15:05:49.000+08:00
Signed-off-by: Oliver Tale-Yazdi &lt;oliver.tale-yazdi@parity.io&gt;

Signed-off-by: Oliver Tale-Yazdi &lt;oliver.tale-yazdi@parity.io&gt;
diff --git a/HEADER-APACHE2 b/HEADER-APACHE2
@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
 // Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/HEADER-GPL3 b/HEADER-GPL3
@@ -1,6 +1,6 @@
 // This file is part of Substrate.
 
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
 // SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
 
 // This program is free software: you can redistribute it and/or modify
