fix(charts): update helm release thanos to v15.7.22

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
thanos (source)	patch	15.7.21 -> 15.7.22

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Release Notes

bitnami/charts (thanos)

### [`v15.7.22`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/thanos/CHANGELOG.md#15722-2024-08-26) - add custom relabel config while thanos storegateway hash shard ([#​28969](https://togithub.com/bitnami/charts/pull/28969))

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[github-actions[bot]]

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