Bump phpstan/phpstan from 1.12.2 to 1.12.3 (#211)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.62",
         "phpunit/phpunit": "^11.3",
-        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan": "^1.12",
         "mockery/mockery": "^1.6"
     },
     "autoload": {