Bump the phpstan group with 2 updates

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

Updates `phpstan/phpstan` to 1.11.6
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.11.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.11.3...1.11.6)

Updates `phpstan/phpstan-nette` to 1.3.2
- [Release notes](https://github.com/phpstan/phpstan-nette/releases)
- [Commits](phpstan/phpstan-nette@1.3.0...1.3.2)

---
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
...

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

composer.json

@@ -24,9 +24,9 @@
     "require-dev": {
         "nette/tester": "v2.5.2",
         "mockery/mockery": "1.6.12",
-        "phpstan/phpstan": "1.11.3",
+        "phpstan/phpstan": "1.11.6",
         "phpstan/phpstan-strict-rules": "1.6.0",
-        "phpstan/phpstan-nette": "1.3.0",
+        "phpstan/phpstan-nette": "1.3.2",
         "nepada/phpstan-nette-tester": "1.2.0",
         "spaze/phpstan-disallowed-calls": "3.4.0",
         "shipmonk/phpstan-rules": "3.0.0",