about: Add @lujianhua to credits

tchx84 · tchx84 · commit 1b17797be36c · 2024-05-03T11:57:52.000-04:00
diff --git a/src/about.ui b/src/about.ui
@@ -213,7 +213,8 @@ Carlos Gonz
 Daniel Rusek
 Rafael Fontenelle
 Jan Krings
-René Coty</property>
+René Coty
+Jianhua Lu</property>
                 <layout>
                   <property name="column">1</property>
                   <property name="row">2</property>
