userguide/suricatactl: use suricata community page

We were mentioning "Suricata Support" page, which could be a bit
misleading -- and also used a link that is actually redirected to the
Suricata Community page, anyways.

doc/userguide/manpages/suricatactl.rst

@@ -28,7 +28,7 @@ COMMANDS
 BUGS
 ----
 
-Please visit Suricata's support page for information about submitting
+Please visit Suricata's Community page for information about submitting
 bugs or feature requests.
 
 NOTES
@@ -38,6 +38,6 @@ NOTES
 
     https://suricata.io/
 
-* Suricata Support Page
+* Suricata Community Page
 
-    https://suricata.io/support/
+    https://suricata.io/community/