Revert "Revert "Fetch specific versions of Portainer and its agent""
Revert "Revert "Fetch specific versions of Portainer and its agent""

This reverts commit 9a261db4fe205ad272afe67b73c52ae4bc2c8e0e.

berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud