Add kubernetes.client.apis as an alias to kubernetes.client.api
Add kubernetes.client.apis as an alias to kubernetes.client.api

Reference: https://github.com/kubernetes-client/python/issues/974

Signed-off-by: Nabarun Pal <46a782cbd1e9f752958998187886c2b51fda054c@gmail.com>

kubernetes-client/python,kubernetes-client/python