pytket-qir 0.2.0rc16

What's Changed

• add wasm support to the conversion by @cqc-melf in #66
• fix wasm issue, clean up by @cqc-melf in #68
• fix issue with to long scratch pass by @cqc-melf in #69

Full Changelog: v0.2.0rc15...v0.2.0rc16