[documentation/gcompris-teachers-handbook] doc: bump version to 26.1

Git commit d86cfe3b2d9d2c89fcac26abbc4b23d320ba3f7d by Johnny Jazeix.
Committed on 06/03/2026 at 09:15.
Pushed by jjazeix into branch 'master'.

bump version to 26.1

M  +3    -3    doc/index.docbook

https://invent.kde.org/documentation/gcompris-teachers-handbook/-/commit/d86cfe3b2d9d2c89fcac26abbc4b23d320ba3f7d

diff --git a/doc/index.docbook b/doc/index.docbook
index 3b04ab5..a66fcea 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -46,12 +46,12 @@
 Don't forget to include this last date.
 Please respect the format of the date (YYYY-MM-DD),it is used by scripts.
 -->
-<date>2025-11-30</date>
+<date>2026-03-11</date>
 
 <!--version information of the application and kde this documentation is valid for.
 for example 'xx.yy.zz'
 -->
-<releaseinfo>26.0</releaseinfo>
+<releaseinfo>26.1</releaseinfo>
 
 <!-- Abstract about this handbook -->
 
@@ -615,7 +615,7 @@ GCompris is a multi-activity educational software. This documentation is for the
 &gcompris;
 </para>
 <para>
-Program copyright © 2000–2025 Timothée Giet and others
+Program copyright © 2000–2026 Timothée Giet and others
 </para>
 
 <!-- TRANS:CREDIT_FOR_TRANSLATORS -->