Add 4.4.0-rc1 version definition

Author: cedric-anne

mantis.xml

@@ -54,6 +54,11 @@
       <author>TECLIB'</author>
    </authors>
    <versions>
+      <version>
+         <num>4.4.0-rc1</num>
+         <compatibility>~9.5</compatibility>
+         <download_url>https://github.com/pluginsGLPI/mantis/releases/download/4.4.0-rc1/glpi-mantis-4.4.0-rc1.tar.bz2</download_url>
+      </version>
       <version>
          <num>4.3.2</num>
          <compatibility>9.4</compatibility>