Adopt CAPI v1beta2 conditions

[chrischdi]

Describe the solution you'd like

TODOs to adopt v1beta2 conditions in CAPV

• add API types for v1beta2 to v1beta1 status
• Use the finalizer util like core CAPI
• Implement conditions
  • Paused
    • Replace usage of ClusterUnpausedAndInfrastructureReady + use the pause util
  • ...

cc @fabriziopandini @sbueringer

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• Cluster-api-provider-vsphere version:
• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):

[sbueringer]

Thx!