(#7681) Add cmake3 to AmazonLinux2 container
(#7681) Add cmake3 to AmazonLinux2 container

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor