Add support for cgroup_mode in node_pool_auto_config

[norbertcyran]

This PR adds support for configuring cgroup mode in auto-provisioned node pools (see https://cloud.google.com/kubernetes-engine/docs/how-to/migrate-cgroupv2).

Bug: b/363975773

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container: added `node_pool_autoconfig.linux_node_config.cgroup_mode` field to `google_container_cluster` resource

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run.

@zli82016, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

You can help make sure that review is quick by doing a self-review and by running impacted tests locally.

[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 ( 4 files changed, 153 insertions(+))
google-beta provider: Diff ( 4 files changed, 153 insertions(+))

[modular-magician]

Tests analytics

Total tests: 218
Passed tests: 204
Skipped tests: 12
Affected tests: 2

Click here to see the affected service packages

• container

Action taken

Found 2 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccContainerCluster_withCgroupMode
• TestAccContainerCluster_withCgroupModeUpdate

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode:
TestAccContainerCluster_withCgroupMode [Debug log]
TestAccContainerCluster_withCgroupModeUpdate [Debug log]

🟢 No issues found for passed tests after REPLAYING rerun.

---

🟢 All tests passed!

View the build log or the debug log for each test

[zli82016]

LGTM