Bump the packages group with 2 updates (#273)

Bumps the packages group with 2 updates: [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping) and [rollup](https://github.com/rollup/rollup).


Updates `baseline-browser-mapping` from 2.8.17 to 2.8.18
- [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases)
- [Commits](web-platform-dx/baseline-browser-mapping@v2.8.17...v2.8.18)

Updates `rollup` from 4.52.4 to 4.52.5
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.52.4...v4.52.5)

---
updated-dependencies:
- dependency-name: baseline-browser-mapping
  dependency-version: 2.8.18
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: packages
- dependency-name: rollup
  dependency-version: 4.52.5
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: packages
...

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Author: dependabot[bot]