[Etherpad] Fix name of dpad for week instance

pica-etherpad/week/docker-compose.yml

-
 version : "3.7"
 
 volumes:
@@ -60,7 +59,7 @@ services:
 
   delete-pad-after-delay:
     image: registry.picasoft.net/pica-etherpad-delete-after-delay:picasoft-docker.1.0.1
-    container_name: etherpad_delete-pad-after-delay
+    container_name: etherpad_week-delete-pad-after-delay
     build:
       context: https://gitlab.utc.fr/picasoft/projets/delete-pad-after-delay.git#picasoft-docker.1.0.1
     volumes: