Security administration : add a confirmation with generate random string and record it in audit

include/sql/patch/ac-upgrade19.sql

@@ -0,0 +1,7 @@
+begin;
+
+ALTER TABLE public.audit_connect DROP CONSTRAINT valid_state ;
+ALTER TABLE public.audit_connect ADD CONSTRAINT valid_state CHECK ( ac_state in  ('FAIL','SUCCESS','AUDIT','ADMIN'));
+
+select upgrade_repo(19);
+commit;