Update php-cs-fixer/shim requirement from ^3.65 to ^3.67 (#127)

Updates the requirements on [php-cs-fixer/shim](https://github.com/PHP-CS-Fixer/shim) to permit the latest version.
- [Commits](PHP-CS-Fixer/shim@v3.65.0...v3.67.0)

---
updated-dependencies:
- dependency-name: php-cs-fixer/shim
  dependency-type: direct:development
...

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Author: dependabot[bot]

composer.json

@@ -27,7 +27,7 @@
     "php": "~8.2.0 || ~8.3.0"
   },
   "require-dev": {
-    "php-cs-fixer/shim": "^3.65",
+    "php-cs-fixer/shim": "^3.67",
     "phpunit/phpunit": "^11.5.0",
     "psalm/phar": "^5.26"
   },