Chore(deps): Bump rollup and @upsetjs/venn.js

Removes [rollup](https://github.com/rollup/rollup). It's no longer used after updating ancestor dependency [@upsetjs/venn.js](https://github.com/upsetjs/venn.js). These dependencies need to be updated together.


Removes `rollup`

Updates `@upsetjs/venn.js` from 1.4.2 to 2.0.0
- [Release notes](https://github.com/upsetjs/venn.js/releases)
- [Commits](upsetjs/venn.js@v1.4.2...v2.0.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: indirect
- dependency-name: "@upsetjs/venn.js"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>