Update phpstan/phpstan requirement from ^0.12.32 to ^1.11.7

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.12.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@0.12.32...1.11.7)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
...

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

composer.json

@@ -25,7 +25,7 @@
         "php": "^8.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^0.12.32",
+        "phpstan/phpstan": "^1.11.7",
         "phpstan/phpstan-phpunit": "^0.12",
         "phpunit/phpunit": "^8.3 || ^9",
         "squizlabs/php_codesniffer": "^3.6"