chore(main): release 3.0.0

[github-actions]

🤖 I have created a release beep boop

3.0.0 (2026-10-01)

⚠ BREAKING CHANGES

• release: The models merged in chore: update OpenAPI spec and regenerate models #34 require Me.is_account_owner, Integration.enriched_by, Budget.type, Budget.period_cadence, BudgetPerformance.type, and UnitCost.calculation_type. Kubernetes and financial-commitment grouping parameters now reject unsupported values. Update manually constructed models and grouping inputs before upgrading.

Bug Fixes

• release: release updated models and classify OpenAPI updates (0fe454b)

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