Bump mockery/mockery from 1.6.12 to 1.6.15

Bumps [mockery/mockery](https://github.com/mockery/mockery) from 1.6.12 to 1.6.15.
- [Release notes](https://github.com/mockery/mockery/releases)
- [Changelog](https://github.com/mockery/mockery/blob/1.6.x/CHANGELOG.md)
- [Commits](mockery/mockery@1.6.12...1.6.15)

---
updated-dependencies:
- dependency-name: mockery/mockery
  dependency-version: 1.6.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -49,7 +49,7 @@
     "friendsofphp/php-cs-fixer": "3.95.22",
     "larastan/larastan": "3.10.0",
     "laravel/dusk": "8.6.0",
-    "mockery/mockery": "1.6.12",
+    "mockery/mockery": "1.6.15",
     "phpstan/extension-installer": "1.4.3",
     "phpstan/phpstan": "2.2.6",
     "phpstan/phpstan-deprecation-rules": "2.0.5",