fix(docker-image): update collabora/code docker tag to v24.04.9.2.1

| datasource | package        | from        | to          |
| ---------- | -------------- | ----------- | ----------- |
| docker     | collabora/code | 24.04.9.1.1 | 24.04.9.2.1 |

apps/default/nextcloud/release-collabora.yaml

@@ -17,7 +17,7 @@ spec:
   values:
     image:
       repository: collabora/code
-      tag: 24.04.9.1.1
+      tag: 24.04.9.2.1
 
     env:
       extra_params: --o:ssl.termination=true --o:ssl.enable=false