Updated copyright notice.

tools/setup-unit

@@ -676,7 +676,7 @@ unit_ctl_welcome()
 
                 <hr>
                 <p><a href="https://unit.nginx.org/?referer=welcome">NGINX Unit &mdash; the universal web app server</a><br>
-                NGINX, Inc. &copy; 2022</p>
+                NGINX, Inc. &copy; 2023</p>
             </body>
         </html>
 __EOF__';

tools/unitc

@@ -1,7 +1,7 @@
 #!/bin/bash
 # unitc - a curl wrapper for configuring NGINX Unit
 # https://github.com/nginx/unit/tree/master/tools
-# NGINX, Inc. (c) 2022
+# NGINX, Inc. (c) 2023
 
 # Defaults
 #