[KIECLOUD-340] Upgrade RHDM and RHPAM cloud images to 7.6.0

[errantepiphany]

[KIECLOUD-340] Upgrade RHDM and RHPAM cloud images to 7.6.0
https://issues.jboss.org/browse/KIECLOUD-340

Signed-off-by: David Ward dward@redhat.com

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