feat: support explain options (#1426)

src/dialect/postgresql.rs

@@ -166,6 +166,11 @@ impl Dialect for PostgreSqlDialect {
     fn supports_create_index_with_clause(&self) -> bool {
         true
     }
+
+    /// see <https://www.postgresql.org/docs/current/sql-explain.html>
+    fn supports_explain_with_utility_options(&self) -> bool {
+        true
+    }
 }
 
 pub fn parse_comment(parser: &mut Parser) -> Result<Statement, ParserError> {