Build(deps-dev): Bump vimeo/psalm from 3.9.2 to 3.9.3

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 3.9.2 to 3.9.3.
- [Release notes](https://github.com/vimeo/psalm/releases)
- [Commits](vimeo/psalm@3.9.2...3.9.3)

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

composer.json

@@ -38,7 +38,7 @@
     "phpunit/phpunit": "^7.5.20",
     "psalm/plugin-phpunit": "~0.9.0",
     "symfony/filesystem": "^4.4.4",
-    "vimeo/psalm": "^3.9.2"
+    "vimeo/psalm": "^3.9.3"
   },
   "config": {
     "platform": {