Bump vimeo/psalm from 3.11.6 to 3.12.1 in /dev-tools

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 3.11.6 to 3.12.1.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@3.11.6...3.12.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

dev-tools/composer.json

@@ -9,7 +9,7 @@
         "phpstan/phpstan": "^0.12.30",
         "phpstan/phpstan-strict-rules": "^0.12.2",
         "squizlabs/php_codesniffer": "^3.5.5",
-        "vimeo/psalm": "^3.11.6",
+        "vimeo/psalm": "^3.12.1",
         "kubawerlos/php-cs-fixer-config": "^1.3.0"
     },
     "scripts": {