ban-duplicate-column-assignment checks more queries

Added

• syntax: add validation for empty tuple & overlaps (#1292)

• syntax: add validation for in/not in (#1287)

• ide: goto def for prepared transactions (#1291)

• ide: goto def for savepoints (#1290)

• ide: goto def for builtins like extract/substring/position (#1289)

• ide: code actions for builtins -> pg functions (#1288)

• ide: code actions unnest <-> rows from (#1284)

• parser: split AliasColumnList into ColumnList & ColumnDefList (#1282)

• parser: add more enums to ast (#1281, #1280, #1277, #1276)

Changed

• linter: update ban-duplicate-column-assignment to check more queries (#1274)

Fixed

• playground: fix code actions (#1286)
• parser: fix select parsing & add more node detail (#1279)