feat!(msw-addon): fix package exports and generate esm build

[ChristianMurphy]

this updates conditional exports so that both types and dependencies can be resolved. this also migrates build to generating esm by default for a more standards based packaging approach with strong support in modern tooling like webpack and vite.

resolves #137

This draws from https://www.typescriptlang.org/docs/handbook/modules/theory.html#module-resolution-for-libraries which recommends node16 resolution for libraries, which has the strictest resolution rules, which should work for almost all downstream adopters.

Follows similar ESM conventions to https://github.com/sindresorhus/meta/discussions/15 There are still a few quirks in legacy build tools (mostly webpack 4) https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c those generally should not impact storybook builds

📦 Published PR as canary version: 1.10.1--canary.138.7ca8425.0

:sparkles: Test out this PR locally via: ```bash npm install msw-storybook-addon@1.10.1--canary.138.7ca8425.0 # or yarn add msw-storybook-addon@1.10.1--canary.138.7ca8425.0 ```

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Name	Status	Preview	Comments	Updated (UTC)
msw-storybook-addon	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 7, 2024 7:38pm

[yannbf]

Thanks a lot @ChristianMurphy! Let's update the beta and get feedback from the users with these changes