Update quay.io/linuxserver.io/code-server Docker tag to v4.15.0 (#57)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [quay.io/linuxserver.io/code-server](https://github.com/linuxserver/docker-code-server) | final | minor | `4.14.1` -> `4.15.0` |

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Co-authored-by: OCram85 <ocram85@noreply.local>
Reviewed-on: #57
Co-authored-by: renovate-bot <renovate@ocram85.com>
Co-committed-by: renovate-bot <renovate@ocram85.com>

Dockerfile

@@ -1,4 +1,4 @@
-FROM quay.io/linuxserver.io/code-server:4.14.1
+FROM quay.io/linuxserver.io/code-server:4.15.0
 
 #LABEL build_version=""
 LABEL maintainer="OCram85"