Update copyright year

Signed-off-by: Tormod Volden <[email protected]>

Author: tormodvolden

index.html

@@ -68,7 +68,7 @@ <h2>What happened to the old site?</h2>
     <p><b>For additional information, please consult the <a href="https://github.com/libusb/libusb/wiki/FAQ">FAQ</a> or the <a href="https://github.com/libusb/libusb/wiki">Wiki</a>.</b></p>
   </div>
   <div class="footer">
-    Copyright © 2012-2020 libusb<br/>
+    Copyright © 2012-2022 libusb<br/>
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 </body>