chore(deps): update gitroomhq/postiz-app to v2.20.1 (#4501)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/gitroomhq/postiz-app | patch | `v2.20.0` → `v2.20.1` |
| [gitroomhq/postiz-app](https://github.com/gitroomhq/postiz-app) | patch | `v2.20.0` → `v2.20.1` |

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### Release Notes

<details>
<summary>gitroomhq/postiz-app (gitroomhq/postiz-app)</summary>

### [`v2.20.1`](https://github.com/gitroomhq/postiz-app/releases/tag/v2.20.1): Urgent Stripe Fix when not set

[Compare Source](https://github.com/gitroomhq/postiz-app/compare/v2.20.0...v2.20.1)

**Full Changelog**: <https://github.com/gitroomhq/postiz-app/compare/v2.20.0...v2.20.1>

</details>

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### Configuration

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

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #4501
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/postiz/Chart.yaml

@@ -42,4 +42,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/postiz.png
 # renovate: datasource=github-releases depName=gitroomhq/postiz-app
-appVersion: v2.20.0
+appVersion: v2.20.1

clusters/cl01tl/helm/postiz/values.yaml

@@ -9,7 +9,7 @@ postiz:
         main:
           image:
             repository: ghcr.io/gitroomhq/postiz-app
-            tag: v2.20.0
+            tag: v2.20.1
             pullPolicy: IfNotPresent
           env:
             - name: MAIN_URL