[pim/kontact] doc/kontact: Correct program copyright dates to 2001 - 2021, instead of 2004 - 2021

[David Bryant]

Git commit 107a6a4babd500b2b9f6c3873d7e30a64b5a8d12 by David Bryant.
Committed on 15/09/2021 at 00:22.
Pushed by davidbryant into branch 'master'.

Correct program copyright dates to 2001 - 2021, instead of 2004 - 2021

M  +1    -1    doc/kontact/index.docbook

https://invent.kde.org/pim/kontact/commit/107a6a4babd500b2b9f6c3873d7e30a64b5a8d12

diff --git a/doc/kontact/index.docbook b/doc/kontact/index.docbook
index b01e4bda..415ca431 100644
--- a/doc/kontact/index.docbook
+++ b/doc/kontact/index.docbook
@@ -861,7 +861,7 @@ mode of &DBus; is used.</para>
 
 <para>&kontact;</para>
 
-<para>Program copyright 2004-2021, The &kde; Developers</para>
+<para>Program copyright 2001-2021, The &kde; Developers</para>
 
 <para>Contributors:</para>