chore(deps): update nextcloud:31.0.6 docker digest to dff5690

Author: renovate-bot-cbcoutinho[bot]

docker-compose.yml

@@ -21,7 +21,7 @@ services:
     restart: always
 
   app:
-    image: nextcloud:31.0.6@sha256:f77b2e823713ecc8b3dab20db4273269719439445170a380f57a9ebf9aef624c
+    image: nextcloud:31.0.6@sha256:dff5690bc4109d550223702426936c077def02649b3e9c8202e1a65767fea0f1
     #user: www-data:www-data
     restart: always
     #post_start: