BoolExpr args miss A_Const

[markandrus]

See here:

https://github.com/pg-nano/pg-parser/blob/b2a027f/src/lib/ast.ts#L5509-L5520

BoolExpr args miss A_Const, but it's possible:

console.log(parseQuerySync('SELECT TRUE AND TRUE'), null, 2))
/*
{
  "version": 160001,
  "stmts": [
    {
      "stmt": {
        "SelectStmt": {
          "targetList": [
            {
              "ResTarget": {
                "val": {
                  "BoolExpr": {
                    "boolop": "AND_EXPR",
                    "args": [
                      {
                        "A_Const": {
                          "boolval": {
                            "boolval": true
                          },
                          "location": 7
                        }
                      },
                      {
                        "A_Const": {
                          "boolval": {
                            "boolval": true
                          },
                          "location": 16
                        }
                      }
                    ],
                    "location": 12
                  }
                },
                "location": 7
              }
            }
          ],
          "limitOption": "LIMIT_OPTION_DEFAULT",
          "op": "SETOP_NONE"
        }
      }
    }
  ]
}
*/