composer(deps-dev): bump ergebnis/license from 2.5.0 to 2.6.0

Bumps [ergebnis/license](https://github.com/ergebnis/license) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/ergebnis/license/releases)
- [Changelog](https://github.com/ergebnis/license/blob/main/CHANGELOG.md)
- [Commits](ergebnis/license@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: ergebnis/license
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

composer.json

@@ -36,7 +36,7 @@
   "require-dev": {
     "ext-pdo_sqlite": "*",
     "ergebnis/composer-normalize": "^2.44.0",
-    "ergebnis/license": "^2.5.0",
+    "ergebnis/license": "^2.6.0",
     "ergebnis/php-cs-fixer-config": "^6.37.0",
     "ergebnis/phpstan-rules": "^2.2.0",
     "ergebnis/phpunit-slow-test-detector": "^2.16.1",