remove invalid/confusing statement in migrations about running migrations when it isn't enabled

docker/shared/root/docker/entrypoint.d/12-migrations.sh

@@ -22,7 +22,7 @@ if is-true "${new_migrations}"; then
     exit 0
 fi
 
-log-warning "New migrations available, will automatically apply them now"
+log-warning "New migrations available!"
 
 if is-false "${DB_APPLY_NEW_MIGRATIONS_AUTOMATICALLY}"; then
     log-info "Automatic applying of new database migrations is disabled"