Update dependency phpstan/phpstan to ^1.10.47 (#10)

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

Author: renovate[bot]

composer.json

@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.39",
-        "phpstan/phpstan": "^1.10.46",
+        "phpstan/phpstan": "^1.10.47",
         "phpstan/phpstan-phpunit": "^1.3.15",
         "rector/rector": "0.18.11",
         "phpstan/phpstan-deprecation-rules": "^1.1.4",