fix(docker-image): update collabora/code docker tag to v24.04.7.2.1

| datasource | package        | from        | to          |
| ---------- | -------------- | ----------- | ----------- |
| docker     | collabora/code | 24.04.7.1.2 | 24.04.7.2.1 |

apps/default/nextcloud/release-collabora.yaml

@@ -17,7 +17,7 @@ spec:
   values:
     image:
       repository: collabora/code
-      tag: 24.04.7.1.2
+      tag: 24.04.7.2.1
 
     env:
       extra_params: --o:ssl.termination=true --o:ssl.enable=false