feat(charts): update helm release kong to v2.40.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
kong (source)	minor	2.39.3 -> 2.40.0

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Release Notes

Kong/charts (kong)

### [`v2.40.0`](https://togithub.com/Kong/charts/releases/tag/kong-2.40.0) [Compare Source](https://togithub.com/Kong/charts/compare/kong-2.39.3...kong-2.40.0) The Cloud-Native Ingress and API-management

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[github-actions[bot]]

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