fix(helm): update chart cloudnative-pg 0.20.1 -> 0.20.2

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
cloudnative-pg (source)	patch	0.20.1 -> 0.20.2

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Release Notes

cloudnative-pg/charts (cloudnative-pg)

### [`v0.20.2`](https://togithub.com/cloudnative-pg/charts/releases/tag/cloudnative-pg-v0.20.2) [Compare Source](https://togithub.com/cloudnative-pg/charts/compare/cloudnative-pg-v0.20.1...cloudnative-pg-v0.20.2) CloudNativePG Operator Helm Chart #### What's Changed - Updated CloudNativePG Operator to `v1.22.2` - Added PGP Helm chart provenance - Bug Fix: Grafana dashboard label defaults to `"1"` by [@​orlovmyk](https://togithub.com/orlovmyk) in [https://github.com/cloudnative-pg/charts/pull/203](https://togithub.com/cloudnative-pg/charts/pull/203) #### New Contributors - [@​orlovmyk](https://togithub.com/orlovmyk) made their first contribution in [https://github.com/cloudnative-pg/charts/pull/203](https://togithub.com/cloudnative-pg/charts/pull/203) **Full Changelog**: https://github.com/cloudnative-pg/charts/compare/ cloudnative-pg-v0.20.1...cloudnative-pg-v0.20.2

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