Update dependency phpstan/phpstan-strict-rules to ^1.5.1 (#339)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -30,7 +30,7 @@
     "phpstan/phpstan": "^1.10.8",
     "phpstan/phpstan-deprecation-rules": "^1.1.3",
     "phpstan/phpstan-phpunit": "^1.3.11",
-    "phpstan/phpstan-strict-rules": "^1.5.0",
+    "phpstan/phpstan-strict-rules": "^1.5.1",
     "phpunit/phpunit": "^9.6.6",
     "rector/rector": "^0.15.23"
   },