Update databricks.rs

Author: n-young

src/dialect/databricks.rs

@@ -70,7 +70,7 @@ impl Dialect for DatabricksDialect {
         true
     }
 
-    /// See https://docs.databricks.com/en/sql/language-manual/sql-ref-syntax-qry-select-groupby.html
+    /// See <https://docs.databricks.com/en/sql/language-manual/sql-ref-syntax-qry-select-groupby.html>
     fn supports_group_by_with_modifier(&self) -> bool {
         true
     }