GLPI 11 compat: XML for beta (#92)

Author: Rom1-B

treeview.xml

@@ -26,9 +26,9 @@
    </authors>
    <versions>
       <version>
-          <num>1.20.0-beta1</num>
+          <num>1.20.0-beta2</num>
           <compatibility>~11.0.0</compatibility>
-          <download_url>https://github.com/pluginsGLPI/treeview/releases/download/1.20.0-beta1/glpi-treeview-1.20.0-beta1.tar.bz2</download_url>
+          <download_url>https://github.com/pluginsGLPI/treeview/releases/download/1.20.0-beta2/glpi-treeview-1.20.0-beta2.tar.bz2</download_url>
       </version>
       <version>
           <num>1.10.2</num>