Merge pull request #92 from ergebnis/dependabot/composer/phpstan/phpstan-strict-rules-0.12.1

Author: dependabot-preview[bot]

composer.json

@@ -27,7 +27,7 @@
     "phpstan/phpstan": "~0.12.3",
     "phpstan/phpstan-deprecation-rules": "~0.12.1",
     "phpstan/phpstan-phpunit": "~0.12.5",
-    "phpstan/phpstan-strict-rules": "~0.12.0",
+    "phpstan/phpstan-strict-rules": "~0.12.1",
     "phpunit/phpunit": "^8.5.1",
     "psalm/plugin-phpunit": "~0.8.0",
     "vimeo/psalm": "^3.8.1"