Update quay.io/linuxserver.io/code-server Docker tag to v4.9.1

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [renovate/renovate](https://github.com/renovatebot/renovate) | minor | `34.22-slim` -> `34.57-slim` |

⚠️ Release Notes retrieval for this PR were skipped because no github.com credentials were available.
If you are self-hosted, please see [this instruction](https://github.com/renovatebot/renovate/blob/master/docs/usage/examples/self-hosting.md#githubcom-token-for-release-notes).

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4yMi4yIiwidXBkYXRlZEluVmVyIjoiMzQuMjIuMiJ9-->

Reviewed-on: CodeServer/arkanum#32
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:34.22-slim
+    image: renovate/renovate:34.57-slim
     commands:
       - "renovate"
     secrets:

Dockerfile

@@ -1,4 +1,4 @@
-FROM quay.io/linuxserver.io/code-server:4.8.3
+FROM quay.io/linuxserver.io/code-server:4.9.1
 
 #LABEL build_version=""
 LABEL maintainer="OCram85"