Add compile-time interface assertions for webhooks

[leopardx602]

Add static type assertions to ensure WorkspaceCustomDefaulter and WorkspaceCustomValidator correctly implement their respective webhook interfaces at compile time.

• Add assertion for admission.Defaulter[*tenantv1alpha1.Workspace]
• Add assertion for admission.Validator[*tenantv1alpha1.Workspace]

These compile-time checks follow the same pattern as the controller's reconcile.Reconciler assertion and will catch interface implementation errors early during compilation rather than at runtime.

[gemini-code-assist]

Summary of Changes

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This pull request enhances the robustness of the webhook and controller components by introducing compile-time interface assertions. This proactive measure ensures that critical interfaces are correctly implemented, preventing potential runtime errors and improving the overall reliability and maintainability of the codebase. The changes also include routine updates to Go module dependencies.

Highlights

• Compile-time Interface Assertions: Added static type assertions for WorkspaceCustomDefaulter and WorkspaceCustomValidator to ensure they correctly implement their respective webhook interfaces at compile time.
• Dependency Updates: Updated various Go module dependencies, including go.yaml.in/yaml/v2, golang.org/x modules, and several k8s.io and sigs.k8s.io packages.

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[gemini-code-assist]

Code Review

This pull request adds compile-time assertions to ensure that WorkspaceReconciler, WorkspaceCustomDefaulter, and WorkspaceCustomValidator correctly implement their respective interfaces. This is a valuable improvement that helps prevent runtime errors by catching interface mismatches during compilation. The changes are implemented correctly and consistently. The PR also updates several indirect dependencies in go.mod and go.sum.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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