CI: Migrate jobs from v2-highcpu-* flavors to v3

v3 flavors guarantees jobs spin on newer hardware that
are faster and cost-efficient than the v2 flavors.

Change-Id: I215a6389349b08f385b351209488a341e173dbff
Issue-ID: CIMAN-33
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>
1 file changed