Merge pull request #81 from mezzio/renovate/vimeo-psalm-6.x

Upgrade Psalm to v6, Signal move to `final` keyword in next major

Author: Ocramius

composer.json

@@ -45,12 +45,12 @@
         "webmozart/assert": "^1.10"
     },
     "require-dev": {
-        "laminas/laminas-coding-standard": "~3.0",
-        "laminas/laminas-diactoros": "^3.5.0",
-        "laminas/laminas-servicemanager": "^4.0",
-        "phpunit/phpunit": "^9.6.21",
-        "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.26.1"
+        "laminas/laminas-coding-standard": "^3.1",
+        "laminas/laminas-diactoros": "^3.7.0",
+        "laminas/laminas-servicemanager": "^4.4",
+        "phpunit/phpunit": "^9.6.29",
+        "psalm/plugin-phpunit": "^0.19.5",
+        "vimeo/psalm": "^6.13.1"
     },
     "conflict": {
         "container-interop/container-interop": "<1.2.0",