Update tightenco/duster requirement from ^2.7 to ^3.0 (#3)

Updates the requirements on [tightenco/duster](https://github.com/tighten/duster) to permit the latest version.
- [Release notes](https://github.com/tighten/duster/releases)
- [Changelog](https://github.com/tighten/duster/blob/3.x/RELEASE.md)
- [Commits](tighten/duster@v2.7.0...v3.0.1)

---
updated-dependencies:
- dependency-name: tightenco/duster
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -51,6 +51,6 @@
     "prefer-stable": true,
     "require-dev": {
         "phpstan/phpstan": "^1.10",
-        "tightenco/duster": "^2.7"
+        "tightenco/duster": "^3.0"
     }
 }