Added new wikiadmins group to reserved usernames

Author: bmispelon

trac-env/conf/trac.ini

@@ -46,7 +46,7 @@ tracspamfilter.filters.regex.* = enabled
 tracspamfilter.filters.session.* = enabled
 
 [djangoplugin]
-reserved_usernames = authenticated,admins,fellows,spamreview,supertriagers
+reserved_usernames = authenticated,admins,fellows,spamreview,supertriagers,wikiadmins
 
 [github]
 branches = main stable/*