Bump mymindstorm/setup-emsdk from 15 to 16 (#5133)

Bumps [mymindstorm/setup-emsdk](https://github.com/mymindstorm/setup-emsdk) from 15 to 16.
- [Release notes](https://github.com/mymindstorm/setup-emsdk/releases)
- [Commits](https://github.com/mymindstorm/setup-emsdk/compare/667eb33f24e84e7f362c16d8d7fff0629a73e15e...4528d102f7230f0e7b276855c01ea1159be0e984)

---
updated-dependencies:
- dependency-name: mymindstorm/setup-emsdk
  dependency-version: '16'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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