Upgrade MicroPython beta (on beta deployment only) #1155

We're expecting a MicroPython beta soon and we're going to do some of the upgrade work ahead of the beta being ready to get stubs changes prepped.

New MicroPython releases

Link new releases here

Recent build from master for now.
Just aiming to use beta MicroPython on the staging/beta deployment.

Todo

Simulator:

• Review changelogs and diff to determine simulator changes, stubs changes any other documentation changes
• Raise educational content impact to Foundation education team (likely already in hand or low priority)
• Update simulator as required
• Run through simulator examples in simulator demo.html
• Test simulator in Python Editor (locally)
• Merge simulator changes

Editor:

• Update stubs as required
• Update MicroPython hex files and version metadata in the editor
• PR with updated sim (via staging) and stubs
• Release stubs
• Test and merge PR

Now or later:

• Release simulator
• Update and publish simulator versioning CloudFront function
• Release editor