OCM-20466 | feat: Add new fields to environment

[philipwu08]

Update model to 0.0.438

• Add LastLimitedSupportOverrideCheck, LastHibernationCheck, and
  LastClusterImagesetSync fields to Environment type

[coderabbitai]

Walkthrough

This PR updates dependencies across the root, examples, and metamodel_generator go.mod files from ocm-api-model v0.0.437 to v0.0.438, and adds three new timestamp fields to the Environment schema in the OpenAPI specification.

Changes

Cohort / File(s)	Summary
Dependency version updates go.mod, examples/go.mod, metamodel_generator/go.mod	Bumped github.com/openshift-online/ocm-api-model/clientapi, github.com/openshift-online/ocm-api-model/model, and github.com/openshift-online/ocm-api-model/metamodel_generator from v0.0.437 to v0.0.438.
Environment schema additions openapi/clusters_mgmt/v1/openapi.json	Added three new date-time string fields to Environment schema: last_cluster_imageset_sync (cluster imageset sync worker check timestamp), last_hibernation_check (hibernation worker check timestamp), and last_limited_support_override_check (limited support override worker check timestamp).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• All changes are straightforward dependency version bumps and schema field additions with no logic modifications.

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description directly relates to the changeset, explaining the version update and specifically listing the three new fields (LastLimitedSupportOverrideCheck, LastHibernationCheck, LastClusterImagesetSync) added to the Environment type.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Title check	✅ Passed	The title accurately reflects the main change: adding three new fields (last_cluster_imageset_sync, last_hibernation_check, last_limited_support_override_check) to the Environment schema in the OpenAPI specification.

✨ Finishing touches

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Actionable comments posted: 1

📜 Review details

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📥 Commits

Reviewing files that changed from the base of the PR and between b18b8e6 and 8f72eb9.

⛔ Files ignored due to path filters (2)

• examples/go.sum is excluded by !**/*.sum
• go.sum is excluded by !**/*.sum

📒 Files selected for processing (4)

• CHANGES.md (1 hunks)
• examples/go.mod (1 hunks)
• go.mod (1 hunks)
• openapi/clusters_mgmt/v1/openapi.json (1 hunks)

✅ Files skipped from review due to trivial changes (1)

• CHANGES.md

🚧 Files skipped from review as they are similar to previous changes (2)

• go.mod
• openapi/clusters_mgmt/v1/openapi.json

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• GitHub Check: Test (1.21, macos-latest)
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• GitHub Check: Test (1.21, ubuntu-latest)
• GitHub Check: Test (1.21, windows-latest)

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: marcolan018, philipwu08
Once this PR has been reviewed and has the lgtm label, please assign robpblake for approval. For more information see the Code Review Process.

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[davidleerh]

/lgtm