chore(deps): update container image collabora/code to v23.05.6.3.1@6d21951 by renovate (#16097)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| collabora/code | patch | `23.05.5.4.1` -> `23.05.6.3.1` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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### Configuration

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charts/stable/nextcloud/values.yaml

@@ -21,7 +21,7 @@ clamavImage:
 collaboraImage:
   repository: collabora/code
   pullPolicy: IfNotPresent
-  tag: 23.05.5.4.1@sha256:a8cce07c949aa59cea0a7f1f220266a1a6d886c717c3b5005782baf6f384d645
+  tag: 23.05.6.3.1@sha256:6d21951e6376be4a12009b5058c57f3da7df06faf05c62406030b3652a3e78f6
 nextcloud:
   # Initial Credentials
   credentials: