Update gums.template

Added the below Per GOC Ticket:  https://ticket.grid.iu.edu/23082

<!-- Fermilab analysis roles below this-->
<groupMapping name='fnal-ana' accountingVo='fermilab' accountingDesc='FERMILAB'>
<userGroup className='gov.bnl.gums.VOMSGroup'
url="https://voms.fnal.gov:8443/voms/fermilab/services/VOMSAdmin";
persistenceFactory='mysql'
name='fnal-ana'
voGroup="/fermilab"
voRole="Analysis"
sslCertfile='/etc/grid-security/http/httpcert.pem'
sslKey='/etc/grid-security/http/httpkey.pem'
matchFQAN="exact" />
<accountMapping className='gov.bnl.gums.GroupAccountMapper'
groupName='fermiana' />
</groupMapping>