Bump @embroider/compat from 3.4.9 to 3.6.1

Bumps [@embroider/compat](https://github.com/embroider-build/embroider/tree/HEAD/packages/compat) from 3.4.9 to 3.6.1.
- [Release notes](https://github.com/embroider-build/embroider/releases)
- [Changelog](https://github.com/embroider-build/embroider/blob/main/CHANGELOG.md)
- [Commits](https://github.com/embroider-build/embroider/commits/HEAD/packages/compat)

---
updated-dependencies:
- dependency-name: "@embroider/compat"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]