[FEAT]: ESM support

[Schweinepriester]

Description

Ship ESM additionally to/instead of CJS.

See e.g. https://pkg-size.dev/dns2 or that the package.json doesn't have "type": "module".

• https://antfu.me/posts/publish-esm-and-cjs
• https://antfu.me/posts/move-on-to-esm-only
• https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c

Additional Information

No response