Update dependency vimeo/psalm to v7.0.0-beta15

Author: renovate[bot]

composer.json

@@ -51,7 +51,7 @@
         "spatie/laravel-ignition": "2.10.0",
         "spatie/ray": "1.46.0",
         "squizlabs/php_codesniffer": "4.0.1",
-        "vimeo/psalm": "7.0.0-beta14"
+        "vimeo/psalm": "7.0.0-beta15"
     },
     "replace": {
         "felixfbecker/advanced-json-rpc": "*",