Bump baseline-browser-mapping from 2.9.15 to 2.9.16 in the npm group (#2067)

Bumps the npm group with 1 update: [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping).


Updates `baseline-browser-mapping` from 2.9.15 to 2.9.16
- [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases)
- [Commits](web-platform-dx/baseline-browser-mapping@v2.9.15...v2.9.16)

---
updated-dependencies:
- dependency-name: baseline-browser-mapping
  dependency-version: 2.9.16
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: npm
...

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