Update Helm release gateway to v1.22.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gateway	HelmChart	minor	1.21.0 -> 1.22.0

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Release Notes

istio/istio (gateway)

v1.22.0

Compare Source

v1.21.2: Istio 1.21.2

Compare Source

Artifacts Release Notes

v1.21.1: Istio 1.21.1

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Artifacts Release Notes

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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