MFH: r468376 r469934

Update to 2.5.2

Changes: https://github.com/abonas/kubeclient/blob/master/CHANGELOG.md

Update to 3.0.0 which is required for gitlab update to 10.7.x.

Reviewed by: tz (mentor), sunpoet (maintainer by email)
Approved by: tz (mentor), sunpoet (maintainer by email)
Differential Revision: https://reviews.freebsd.org/D15202

Approved by: ports-secteam (eadler)