Build(deps): Update vimeo/psalm requirement from ^3.8.5 to ^3.9.0 (#43)

Updates the requirements on [vimeo/psalm](https://github.com/vimeo/psalm) to permit the latest version.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@3.8.5...3.9.0)

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

Author: dependabot-preview[bot]

composer.json

@@ -34,7 +34,7 @@
         "phpstan/phpstan-strict-rules": "^0.12.2",
         "slam/phpstan-extensions": "^4.0",
         "thecodingmachine/phpstan-strict-rules": "^0.12.0",
-        "vimeo/psalm": "^3.8.5"
+        "vimeo/psalm": "^3.9.0"
     },
     "require-dev": {
         "symfony/var-exporter": "^5.0.4"