Update copyright date range in help license

Author: delphidabbler

Src/Help/HTML/license.htm

@@ -27,7 +27,7 @@ <h1>
       <a name="license"></a>Summary of End User License Agreement
     </h1>
     <p>
-      DelphiDabbler <em>CodeSnip</em> is copyright &copy; 2005-2020 by Peter D
+      DelphiDabbler <em>CodeSnip</em> is copyright &copy; 2005-2022 by Peter D
       Johnson, <a
         href="https://gravatar.com/delphidabbler"
         class="weblink"