Added missing fields to meta for google_container_cluster and google_container_node_pool

[melinath]

Identified missing mapping with gpaste/5075015108263936 & compared with API & resource implementation to add mapping information.

Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 471 insertions(+), 237 deletions(-))
google-beta provider: Diff ( 2 files changed, 475 insertions(+), 241 deletions(-))