Agama-based install: Fix Docserv/portal category

Author: cwickert

articles/agama-based-installation.asm.xml

@@ -101,7 +101,7 @@
       <meta name="description" its:translate="yes">How to install &productname; using &agama;</meta>
       <meta name="social-descr" its:translate="yes">Installing &productname; using &agama;</meta>
       <!-- suitable categories has to be identical with the category selected in the docserv config -->
-      <meta name="category" its:translate="no"><phrase>Systems Management</phrase>
+      <meta name="category" its:translate="no"><phrase>Deployment &amp; Upgrade</phrase>
       </meta>
       <!-- Determines "filter by task" filter value -->
       <!-- either add link to list or list of tasks-->