🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Author: gcf-owl-bot[bot]

bigframes/core/compile/sqlglot/expressions/unary_compiler.py

@@ -197,4 +197,4 @@ def _(op: ops.ParseJSON, expr: TypedExpr) -> sge.Expression:
 
 @UNARY_OP_REGISTRATION.register(ops.ToJSONString)
 def _(op: ops.ToJSONString, expr: TypedExpr) -> sge.Expression:
-    return sge.func("TO_JSON_STRING", expr.expr)
+    return sge.func("TO_JSON_STRING", expr.expr)