Update vimeo/psalm requirement from ^4.2 to ^4.3 (#28)

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@4.2.0...4.3.0)

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

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

composer.json

@@ -23,7 +23,7 @@
         "phpunit/phpunit": "^9.4",
         "roave/infection-static-analysis-plugin": "^1.5",
         "spatie/phpunit-watcher": "^1.23",
-        "vimeo/psalm": "^4.2"
+        "vimeo/psalm": "^4.3"
     },
     "autoload": {
         "psr-4": {