Switch to bazel 2.2.0 in CI
Switch to bazel 2.2.0 in CI

Bump the bazel version to 2.2.0 to fulfill the needs of
k8s.io/repo-infra.

Signed-off-by: Sascha Grunert <70ab469ddb2ac3e35f32ed7c2fd1cca514b2e879@suse.com>

kubernetes/release,kubernetes/release