fix: change restart policy

pica-etherpad/docker-compose.yml

@@ -31,7 +31,7 @@ services:
         environment:
           - ETHERPAD_THEME=colibris
           - ETHERPAD_MINIFY=true
-        restart: always
+        restart: unless-stopped
         networks:
           - docker_default
     etherpad-db:
@@ -45,6 +45,6 @@ services:
         volumes:
           - etherpad-db-volume:/var/lib/mysql
         env_file: ./secrets/etherpad-db.secrets
-        restart: always
+        restart: unless-stopped
         networks:
           - docker_default