[education/gcompris] docs/docbook: docs, bump version to 4.0

[Johnny Jazeix]

Git commit 47352459ae5d3c719062087ce5f09310764fc665 by Johnny Jazeix.
Committed on 18/02/2024 at 16:16.
Pushed by jjazeix into branch 'master'.

docs, bump version to 4.0

M  +2    -2    docs/docbook/index.docbook

https://invent.kde.org/education/gcompris/-/commit/47352459ae5d3c719062087ce5f09310764fc665

diff --git a/docs/docbook/index.docbook b/docs/docbook/index.docbook
index ad509e3ca7..1c90b0a5b5 100644
--- a/docs/docbook/index.docbook
+++ b/docs/docbook/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>2023-06-06</date>
+<date>2024-02-21</date>
 
 <!--version information of the application and kde this documentation is valid for.
 for example 'xx.yy.zz'
 -->
-<releaseinfo>3.3</releaseinfo>
+<releaseinfo>4.0</releaseinfo>
 
 <!-- Abstract about this handbook -->