Add support for + char in Snowflake stage names

Author: yoavcloud

tests/sqlparser_snowflake.rs

@@ -4251,4 +4251,4 @@ fn test_snowflake_create_view_with_composite_policy_name() {
     let create_view_with_tag =
         r#"CREATE VIEW X (COL WITH MASKING POLICY foo.bar.baz) AS SELECT * FROM Y"#;
     snowflake().verified_stmt(create_view_with_tag);
-}
+}