chore(deps): update unpoller to v2.39.0 (#5255)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [ghcr.io/unpoller/unpoller](https://github.com/unpoller/unpoller) | minor | `v2.38.0` → `v2.39.0` |
| [unpoller/unpoller](https://github.com/unpoller/unpoller) | minor | `v2.38.0` → `v2.39.0` |

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### Release Notes

<details>
<summary>unpoller/unpoller (ghcr.io/unpoller/unpoller)</summary>

### [`v2.39.0`](https://github.com/unpoller/unpoller/releases/tag/v2.39.0)

[Compare Source](https://github.com/unpoller/unpoller/compare/v2.38.0...v2.39.0)

##### Changelog

- [`c596e82`](c596e82cf2) fix: use v2 traffic API as DPI fallback for Network 9.1+ firmware ([#&#8203;985](https://github.com/unpoller/unpoller/issues/985))

</details>

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### Configuration

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

♻ **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.

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

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Reviewed-on: https://gitea.alexlebens.dev/alexlebens/infrastructure/pulls/5255
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/unpoller/Chart.yaml

@@ -21,4 +21,4 @@ dependencies:
     version: 4.6.2
 icon: https://camo.githubusercontent.com/c5d07a5b3acfeac8e1c25bf56f440ffe032b86e4e7f15de82357f022a43fc927/68747470733a2f2f756e706f6c6c65722e636f6d2f696d672f6c6f676f2e706e67
 # renovate: datasource=github-releases depName=unpoller/unpoller
-appVersion: v2.38.0
+appVersion: v2.39.0