[office/tellico/3.5] doc: Bump doc year

[Robby Stephenson]

Git commit 7272f6a7f00addeb5be573a5fa6b2d5ad9c148e5 by Robby Stephenson.
Committed on 16/03/2024 at 13:27.
Pushed by rstephenson into branch '3.5'.

Bump doc year

M  +1    -1    doc/index.docbook

https://invent.kde.org/office/tellico/-/commit/7272f6a7f00addeb5be573a5fa6b2d5ad9c148e5

diff --git a/doc/index.docbook b/doc/index.docbook
index a14a6708f..c01d1eb04 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -67,7 +67,7 @@ $applicationname xx.yy for applications with independent release schedule (extra
 </authorgroup>
 
 <copyright>
-<year>2001-2023</year>
+<year>2001-2024</year>
 <holder>&robby;</holder>
 </copyright>