setup-yum-repo: Add prod flag for doing IUS install on CentOS.
setup-yum-repo: Add prod flag for doing IUS install on CentOS.

dhcrzf/zulip,synicalsyntax/zulip,rishig/zulip,eeshangarg/zulip,rishig/zulip,shubhamdhama/zulip,synicalsyntax/zulip,kou/zulip,synicalsyntax/zulip,showell/zulip,dhcrzf/zulip,andersk/zulip,timabbott/zulip,brainwane/zulip,andersk/zulip,brainwane/zulip,eeshangarg/zulip,rht/zulip,showell/zulip,rht/zulip,showell/zulip,synicalsyntax/zulip,timabbott/zulip,timabbott/zulip,andersk/zulip,punchagan/zulip,synicalsyntax/zulip,andersk/zulip,showell/zulip,punchagan/zulip,hackerkid/zulip,rht/zulip,eeshangarg/zulip,shubhamdhama/zulip,hackerkid/zulip,brainwane/zulip,brainwane/zulip,dhcrzf/zulip,tommyip/zulip,hackerkid/zulip,hackerkid/zulip,kou/zulip,zulip/zulip,punchagan/zulip,eeshangarg/zulip,zulip/zulip,punchagan/zulip,shubhamdhama/zulip,andersk/zulip,tommyip/zulip,shubhamdhama/zulip,rht/zulip,rht/zulip,rishig/zulip,showell/zulip,rishig/zulip,rishig/zulip,rht/zulip,synicalsyntax/zulip,dhcrzf/zulip,hackerkid/zulip,hackerkid/zulip,kou/zulip,tommyip/zulip,rht/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,brainwane/zulip,zulip/zulip,kou/zulip,shubhamdhama/zulip,showell/zulip,punchagan/zulip,timabbott/zulip,eeshangarg/zulip,tommyip/zulip,rishig/zulip,hackerkid/zulip,rishig/zulip,brainwane/zulip,punchagan/zulip,shubhamdhama/zulip,andersk/zulip,zulip/zulip,shubhamdhama/zulip,tommyip/zulip,zulip/zulip,kou/zulip,tommyip/zulip,andersk/zulip,dhcrzf/zulip,kou/zulip,timabbott/zulip,timabbott/zulip,synicalsyntax/zulip,dhcrzf/zulip,punchagan/zulip,tommyip/zulip,timabbott/zulip,dhcrzf/zulip,eeshangarg/zulip,kou/zulip,brainwane/zulip,showell/zulip