Feat: add trino support (#10512)

### What problem does this PR solve?
issue:
[#10296](https://github.com/infiniflow/ragflow/issues/10296)
change:
- ExeSQL: support connecting to Trino.
- Validation: password can be empty only when db_type === "trino";
  all other database types keep the existing requirement (non-empty).

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/options.ts

@@ -2139,6 +2139,7 @@ export const ExeSQLOptions = [
   'mariadb',
   'mssql',
   'IBM DB2',
+  'trino',
 ].map((x) => ({
   label: upperFirst(x),
   value: x,