v5.1.0

• Update to Postgres 16 parser, match libpg_query versioning scheme
• Add optional WASM build output in "pg_query_wasm.js" file
• Adjust function names to use camelCase naming instead of under_score_case Philip Trauner
• Export as ESM module (note this may require use of a transpiler when importing this library) Philip Trauner
• Add support for scan function (pg_query_scan) Philip Trauner
• Support newer emscripten versions Julz Hoben Philip Trauner