Update psalm phpunit plugin

Signed-off-by: George Steel <[email protected]>

Author: gsteel

composer.json

@@ -56,7 +56,7 @@
         "mezzio/mezzio-helpers": "^5.16",
         "phpspec/prophecy-phpunit": "^2.2.0",
         "phpunit/phpunit": "^9.6.21",
-        "psalm/plugin-phpunit": "^0.18.4",
+        "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^5.26.1"
     },
     "provide": {