Bump the phpstan group with 3 updates

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan), [phpstan/phpstan-nette](https://github.com/phpstan/phpstan-nette) and [shipmonk/phpstan-rules](https://github.com/shipmonk-rnd/phpstan-rules) to permit the latest version.

Updates `phpstan/phpstan` to 1.11.9
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.12.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.6...1.11.9)

Updates `phpstan/phpstan-nette` to 1.3.4
- [Release notes](https://github.com/phpstan/phpstan-nette/releases)
- [Commits](phpstan/phpstan-nette@1.3.2...1.3.4)

Updates `shipmonk/phpstan-rules` to 3.1.0
- [Release notes](https://github.com/shipmonk-rnd/phpstan-rules/releases)
- [Commits](shipmonk-rnd/phpstan-rules@3.0.0...3.1.0)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  dependency-group: phpstan
- dependency-name: phpstan/phpstan-nette
  dependency-type: direct:development
  dependency-group: phpstan
- dependency-name: shipmonk/phpstan-rules
  dependency-type: direct:development
  dependency-group: phpstan
...

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

composer.json

@@ -23,13 +23,13 @@
     "require-dev": {
         "nette/tester": "2.5.3",
         "mockery/mockery": "1.6.12",
-        "phpstan/phpstan": "1.11.6",
+        "phpstan/phpstan": "1.11.9",
         "phpstan/phpstan-strict-rules": "1.6.0",
-        "phpstan/phpstan-nette": "1.3.2",
+        "phpstan/phpstan-nette": "1.3.4",
         "phpstan/phpstan-mockery": "1.1.2",
         "nepada/phpstan-nette-tester": "1.2.0",
         "spaze/phpstan-disallowed-calls": "3.4.0",
-        "shipmonk/phpstan-rules": "3.0.0",
+        "shipmonk/phpstan-rules": "3.1.0",
         "php-parallel-lint/php-parallel-lint": "1.4.0",
         "nepada/coding-standard": "7.14.0",
         "nette/di": "^3.0.6@dev",