fix: add anon role to safeupdate enabled automatically

Author: encima

migrations/db/migrations/20260130074514_load_disable_pg_safeupdate.sql

@@ -1,5 +1,6 @@
 -- migrate:up
 ALTER ROLE authenticated SET session_preload_libraries = 'safeupdate';
+ALTER ROLE anon SET session_preload_libraries = 'safeupdate';
 load 'safeupdate';
 
 SET safeupdate.enabled=0;