Build(deps-dev): Bump phpstan/phpstan-strict-rules from 1.5.2 to 1.6.0

Bumps [phpstan/phpstan-strict-rules](https://github.com/phpstan/phpstan-strict-rules) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/phpstan/phpstan-strict-rules/releases)
- [Commits](phpstan/phpstan-strict-rules@1.5.2...1.6.0)

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

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

composer.json

@@ -58,7 +58,7 @@
     "squizlabs/php_codesniffer": "^3.9.2",
     "phpstan/phpstan": "^1.10.60",
     "phpstan/phpstan-doctrine": "^1.4.3",
-    "phpstan/phpstan-strict-rules": "^1.5.2",
+    "phpstan/phpstan-strict-rules": "^1.6.0",
     "phpstan/phpstan-phpunit": "^1.3.16",
     "phpstan/extension-installer": "^1.3.1",
     "phpstan/phpstan-deprecation-rules": "^1.1",