During restarts, the k8s services of type loadbalancer
can get diferent IPs and the integration tests tries to
communicate with older IPs.
Add a step after deploying the bundle to add loadbalancer
annotations to services of type loadbalancer so that
IPs persist during restart of pods.
Pin httpx version in tox.ini due to bug [1] in lightkube
[1] https://github.com/gtsystem/lightkube/issues/78
Change-Id: I013ec1c1e9dbac3ae86c57abcd9d87a3b99f6e82
5c21c23de8