Bump composer/class-map-generator in the minor-patch group

Bumps the minor-patch group with 1 update: [composer/class-map-generator](https://github.com/composer/class-map-generator).


Updates `composer/class-map-generator` from 1.5.0 to 1.6.0
- [Release notes](https://github.com/composer/class-map-generator/releases)
- [Commits](composer/class-map-generator@1.5.0...1.6.0)

---
updated-dependencies:
- dependency-name: composer/class-map-generator
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: minor-patch
...

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