chore(deps): update helm release cloudnative-pg to v0.19.0 (#163)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [cloudnative-pg](https://cloudnative-pg.io) ([source](https://github.com/cloudnative-pg/charts)) | minor | `0.18.2` -> `0.19.0` |

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### Release Notes

<details>
<summary>cloudnative-pg/charts (cloudnative-pg)</summary>

### [`v0.19.0`](cloudnative-pg/charts@cloudnative-pg-v0.18.2...cloudnative-pg-v0.19.0)

[Compare Source](cloudnative-pg/charts@cloudnative-pg-v0.18.2...cloudnative-pg-v0.19.0)

</details>

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Reviewed-on: https://git.home/nrdufour/home-ops/pulls/163
Co-authored-by: Renovate <[email protected]>
Co-committed-by: Renovate <[email protected]>

kubernetes/main/apps/database/cloudnative-pg/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: cloudnative-pg
-      version: 0.18.2
+      version: 0.19.0
       sourceRef:
         kind: HelmRepository
         name: cloudnative-pg