composer(deps-dev): bump phpstan/phpstan from 1.11.3 to 1.12.7

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.11.3 to 1.12.7.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.0.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.3...1.12.7)

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

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

Author: dependabot[bot]

composer.json

@@ -59,7 +59,7 @@
         "league/flysystem-memory": "^1.0",
         "phpbench/phpbench": "^1.3",
         "phpstan/extension-installer": "^1.3",
-        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-strict-rules": "^1.6",
         "phpstan/phpstan-webmozart-assert": "^1.2",
         "phpunit/phpunit": "^10.5",