fix(typo): in BaseSQLBackend.compile docstring

Author: Saul Pwanson

ibis/backends/base/sql/__init__.py

@@ -209,7 +209,7 @@ def compile(
         params: Mapping[ir.Expr, Any] | None = None,
         timecontext: TimeContext | None = None,
     ) -> Any:
-        """Compille an Ibis expression.
+        """Compile an Ibis expression.
 
         Parameters
         ----------