The below manifest changes integrates capi v0.4.2 with capm3
v0.5.0 version. It changes the required manifests files
in the airshipctl. It upgrades capi to v1alpha4 and capm3 to
v1alpha5.
Closes: #518#560
Change-Id: Ia9ea82ad8052e55f0e70f1038497a919ac7b9270