Update version for 1.4.0-rc.1
Update version for 1.4.0-rc.1

Signed-off-by: Derek McGowan <e1c79a582b6629e6b39e9679f4bb964d25db4aa8@mcg.dev>

dmcgowan/containerd,mikebrow/containerd,mikebrow/containerd,containerd/containerd,vdemeester/containerd,estesp/containerd,thaJeztah/containerd,dmcgowan/containerd,vdemeester/containerd,thaJeztah/containerd,estesp/containerd,containerd/containerd