community[patch]: fix database uri type in SQLDatabase (#22661)

**Description**
sqlalchemy uses "sqlalchemy.engine.URL" type for db uri argument.
Added 'URL' type for compatibility.

**Issue**: None

**Dependencies:** None

---------

Co-authored-by: Bagatur <[email protected]>

libs/community/langchain_community/utilities/sql_database.py

@@ -14,7 +14,7 @@
     select,
     text,
 )
-from sqlalchemy.engine import Engine, Result
+from sqlalchemy.engine import URL, Engine, Result
 from sqlalchemy.exc import ProgrammingError, SQLAlchemyError
 from sqlalchemy.schema import CreateTable
 from sqlalchemy.sql.expression import Executable
@@ -128,7 +128,10 @@ def __init__(
 
     @classmethod
     def from_uri(
-        cls, database_uri: str, engine_args: Optional[dict] = None, **kwargs: Any
+        cls,
+        database_uri: Union[str, URL],
+        engine_args: Optional[dict] = None,
+        **kwargs: Any,
     ) -> SQLDatabase:
         """Construct a SQLAlchemy engine from URI."""
         _engine_args = engine_args or {}