Update broken link to google standard sql (#30753)

docs/databases/connections/bigquery.md

@@ -165,7 +165,7 @@ Once you've completed these steps, you'll be able to ask questions and create da
 
 ## Using Legacy SQL
 
-As of version 0.30.0, Metabase tells BigQuery to interpret SQL queries as [Standard SQL](https://cloud.google.com/bigquery/docs/reference/standard-sql/). If you prefer using [Legacy SQL](https://cloud.google.com/bigquery/docs/reference/legacy-sql) instead, you can tell Metabase to do so by including a `#legacySQL` directive at the beginning of your query, for example:
+As of version 0.30.0, Metabase tells BigQuery to interpret SQL queries as [Standard SQL (GoogleSQL)](https://cloud.google.com/bigquery/docs/introduction-sql). If you prefer using [Legacy SQL](https://cloud.google.com/bigquery/docs/reference/legacy-sql) instead, you can tell Metabase to do so by including a `#legacySQL` directive at the beginning of your query, for example:
 
 ```sql
 #legacySQL