Update renovate/renovate Docker tag to v34.108 (#46)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [renovate/renovate](https://github.com/renovatebot/renovate) | minor | `34.63-slim` -> `34.108-slim` |

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### Configuration

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

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

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

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

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC42My4yIiwidXBkYXRlZEluVmVyIjoiMzQuNjMuMiJ9-->

Reviewed-on: #46
Co-authored-by: CI-Bot <noreply@ocram85.com>
Co-committed-by: CI-Bot <noreply@ocram85.com>

.woodpecker/renovate.yml

@@ -1,6 +1,6 @@
 pipeline:
   DockerBaseImage:
-    image: renovate/renovate:34.63-slim
+    image: renovate/renovate:34.108-slim
     commands:
       - "renovate"
     secrets: