Migrate from microbundle

[rolznz]

It is no longer maintained.

[AgrimTawani]

I would like to know more about this issue, inorder to take this up as this looks like a huge pr.
So i have a few questions about it --
do you have a preferred bundler to migrate to (e.g. tsup, rollup, vite)? and should all the current output formats (CJS, ESM, UMD) be kept, or is this a good time to drop any?

Would love to work on this issue if it is still open!

[rolznz]

@AgrimTawani thanks. It's probably best someone from the Alby team picks this up.

[AgrimTawani]

Got it, are there any relevant issues that I can get into?