Pulumi-kubernetes

- Fix environment variable name in disable Helm hook warnings message (https://github.com/pulumi/pulumi-kubernetes/pull/1683)

- [sdk/python] Fix wait for metadata in `yaml._parse_yaml_object`. (https://github.com/pulumi/pulumi-kubernetes/pull/1675)
- Fix diff logic for server-side apply mode (https://github.com/pulumi/pulumi-kubernetes/pull/1679)
- Add option to disable Helm hook warnings (https://github.com/pulumi/pulumi-kubernetes/pull/1682)
- For renderToYamlDirectory, treat an empty directory as unset (https://github.com/pulumi/pulumi-kubernetes/pull/1678)

The following breaking changes are part of the Kubernetes v1.22 update:
- The alpha `EphemeralContainers` kind [has been removed](https://github.com/kubernetes/kubernetes/pull/101034)
- [.NET SDK] `Networking.V1Beta1.IngressClassParametersReferenceArgs` -> `Core.V1.TypedLocalObjectReferenceArgs`

- Update Helm and client-go deps (https://github.com/pulumi/pulumi-kubernetes/pull/1662)
- Add support for k8s v1.22.0. (https://github.com/pulumi/pulumi-kubernetes/pull/1551)

- Update pulumi dependencies v3.7.0 (https://github.com/pulumi/pulumi-kubernetes/pull/1651)
- Update pulumi dependencies v3.9.0 (https://github.com/pulumi/pulumi-kubernetes/pull/1660)

- Use shared informer for await logic for all resources (https://github.com/pulumi/pulumi-kubernetes/pull/1647)

- Update pulumi dependencies v3.5.1 (https://github.com/pulumi/pulumi-kubernetes/pull/1623)
- Skip cluster connectivity check in yamlRenderMode (https://github.com/pulumi/pulumi-kubernetes/pull/1629)
- Handle different namespaces for server-side diff (https://github.com/pulumi/pulumi-kubernetes/pull/1631)
- Handle auto-named namespaces for server-side diff (https://github.com/pulumi/pulumi-kubernetes/pull/1633)
- *Revert* Fix hanging updates for deployment await logic (https://github.com/pulumi/pulumi-kubernetes/pull/1596)
- Use shared informer for await logic for deployments (https://github.com/pulumi/pulumi-kubernetes/pull/1639)