Prepare next release

[hwbllmnn]

• switches to esm build
• switches completely to vite/vitest

Note that a couple of tests still fail due to parser reasons (seems some filters aren't properly extracted).

[hwbllmnn]

Tests pass now.

[jansule]

:tada: This PR is included in version 2.1.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: