use Centos7 for R22
Description of bug
R22 should use the Centos7 image
Changes introduced
pick C7 image if base release > 21
Tests
Issues resolved
Needed to fix pipelines in !1184 (merged)
Closes #
R22 should use the Centos7 image
pick C7 image if base release > 21
Needed to fix pipelines in !1184 (merged)
Closes #