Bump illuminate/collections from 8.69.0 to 8.73.2

Bumps [illuminate/collections](https://github.com/illuminate/collections) from 8.69.0 to 8.73.2.
- [Release notes](https://github.com/illuminate/collections/releases)
- [Commits](illuminate/collections@v8.69.0...v8.73.2)

---
updated-dependencies:
- dependency-name: illuminate/collections
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]