Fix/scheme builder deprecation

[notandy]

Include update external dependencies

Summary by CodeRabbit

• Bug Fixes
  • Improved Kubernetes API scheme registration for migration resources, enhancing consistency when the app lists, watches, and handles these resources.
• Chores
  • Updated the Go toolchain and refreshed project dependencies.
  • Bumped the node agent chart’s controller-manager PKI directory image to a newer pinned version.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e212d357-03b2-4e55-93ae-293ec7efb3d8

📥 Commits

Reviewing files that changed from the base of the PR and between 6e2db5b and 2509f17.

⛔ Files ignored due to path filters (1)

• go.sum is excluded by !**/*.sum

📒 Files selected for processing (5)

• api/v1alpha1/groupversion_info.go
• api/v1alpha1/migration_types.go
• api/v1alpha1/zz_generated.deepcopy.go
• charts/kvm-node-agent/values.yaml
• go.mod

💤 Files with no reviewable changes (1)

• api/v1alpha1/migration_types.go

🚧 Files skipped from review as they are similar to previous changes (4)

• api/v1alpha1/zz_generated.deepcopy.go
• charts/kvm-node-agent/values.yaml
• api/v1alpha1/groupversion_info.go
• go.mod

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📝 Walkthrough

Walkthrough

Refactors v1alpha1 scheme registration to use runtime.NewSchemeBuilder(addKnownTypes) instead of controller-runtime’s scheme builder, removes the old init-based type registration, normalizes a generated deepcopy import, and updates dependency and chart image versions.

Changes

Scheme registration change

Layer / File(s)	Summary
SchemeBuilder migration to runtime.NewSchemeBuilder api/v1alpha1/groupversion_info.go, api/v1alpha1/migration_types.go	Replaces controller-runtime's scheme.Builder with runtime.NewSchemeBuilder(addKnownTypes), adds addKnownTypes to register Migration/MigrationList and call metav1.AddToGroupVersion, and removes the now-redundant init() registration in migration_types.go.
Deepcopy import cleanup api/v1alpha1/zz_generated.deepcopy.go	Removes the explicit runtime import alias while retaining runtime.Object usage.

Dependency and chart image updates

Layer / File(s)	Summary
Go module dependency bumps go.mod	Updates the go directive to 1.26.0 and bumps direct dependencies (cert-manager, openstack-hypervisor-operator, ginkgo/gomega, Kubernetes libraries, controller-runtime) plus indirect go-openapi, pprof, grpc-gateway, OpenTelemetry, zap, grpc/protobuf, and gateway-api versions.
Chart image tag update charts/kvm-node-agent/values.yaml	Updates controllerManager.createPkiDirs.image.tag from 1.37 to 1.38, pinned with a SHA256 digest.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: replacing deprecated scheme.Builder usage with runtime.NewSchemeBuilder.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/scheme-builder-deprecation

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[github-actions]

Merging this branch will not change overall coverage

Impacted Packages	Coverage Δ	🤖
github.com/cobaltcore-dev/kvm-node-agent/api/v1alpha1	0.00% (ø)

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Coverage by file

Changed files (no unit tests)

Changed File	Coverage Δ	Total	Covered	Missed	🤖
github.com/cobaltcore-dev/kvm-node-agent/api/v1alpha1/groupversion_info.go	0.00% (ø)	0	0	0
github.com/cobaltcore-dev/kvm-node-agent/api/v1alpha1/migration_types.go	0.00% (ø)	0	0	0
github.com/cobaltcore-dev/kvm-node-agent/api/v1alpha1/zz_generated.deepcopy.go	0.00% (ø)	0	0	0

Please note that the "Total", "Covered", and "Missed" counts above refer to code statements instead of lines of code. The value in brackets refers to the test coverage of that file in the old version of the code.