Merge pull request #360 from ergebnis/dependabot/composer/vimeo/psalm-3.9.2

Author: dependabot-preview[bot]

composer.json

@@ -38,7 +38,7 @@
     "phpunit/phpunit": "^7.5.20",
     "psalm/plugin-phpunit": "~0.9.0",
     "symfony/filesystem": "^4.4.4",
-    "vimeo/psalm": "^3.9.0"
+    "vimeo/psalm": "^3.9.2"
   },
   "config": {
     "platform": {