increase rds volume size to 100GiB
increase rds volume size to 100GiB

To bump up the base IOP rate to 300.

See: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html

jhoblitt/sandbox-jenkins-demo,lsst-sqre/sandbox-jenkins-demo,jhoblitt/sandbox-jenkins-demo,lsst-sqre/sandbox-jenkins-demo