fix: move tmpdir for SAA to one that always exists (#1799)

Author: tomashley

ansible/files/supabase_admin_agent_config/supabase-admin-agent_salt.service.j2

@@ -19,6 +19,8 @@ StandardOutput=journal
 StandardError=journal
 StateDirectory=supabase-admin-agent
 CacheDirectory=supabase-admin-agent
+# set tempdir on permanent disk
+Environment="TMPDIR=/var/tmp"
 
 [Install]
 WantedBy=multi-user.target