chore(deps): update collabora/code docker tag to v26.04.6.1.1 (#25)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| collabora/code | patch | `26.04.5.2.1` -> `26.04.6.1.1` |

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### Configuration

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Reviewed-on: #25
Co-authored-by: Renovate Bot <renovate@coopcloud.tech>

compose.yml

@@ -34,7 +34,7 @@ services:
       start_period: 5m
 
   app:
-    image: "collabora/code:26.04.5.2.1"
+    image: "collabora/code:26.04.6.1.1"
     cap_add:
       - MKNOD
     secrets: