Merge branch '1.8'

* 1.8:
  Generate changelog for v1.8.0
  Update phpstan/phpstan requirement from 1.7.15 to 1.8.5

Author: Zales0123

composer.json

@@ -40,7 +40,7 @@
     "require-dev": {
         "matthiasnoback/symfony-dependency-injection-test": "^4.2",
         "phpspec/phpspec": "^7.0",
-        "phpstan/phpstan": "1.7.15",
+        "phpstan/phpstan": "1.8.5",
         "phpstan/phpstan-phpunit": "1.1.1",
         "phpstan/phpstan-webmozart-assert": "1.2.0",
         "phpunit/phpunit": "^9.4",