Upgrade PHPStan

.gitignore

@@ -1,4 +1,12 @@
+/coverage
 /vendor
 /composer.lock
+.idea
+nbproject
+.vscode
+.DS_Store
+
+*.local
+*.cache
+
 /phpunit.xml
-/.phpunit.result.cache

composer.json

@@ -49,7 +49,10 @@
         "friendsofphp/php-cs-fixer": "^3.0",
         "mikey179/vfsstream": "^1.6.7",
         "php-mock/php-mock-phpunit": "^2.1",
-        "phpstan/phpstan": "^0.12.58",
+        "phpstan/extension-installer": "^1.1",
+        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan-deprecation-rules": "^2.0",
+        "phpstan/phpstan-strict-rules": "^2.0",
         "phpunit/phpunit": "^9.4",
         "predis/predis": "^1.1",
         "spatie/async": "^1.5"

phpstan.neon.dist

@@ -1,9 +1,13 @@
+includes:
+    - phar://phpstan.phar/conf/bleedingEdge.neon
+
 parameters:
-    level: 5
+    level: 6
+    checkMissingOverrideMethodAttribute: true
     paths:
-        - ./
-    excludes_analyse:
-        - vendor/
+        - .
+    excludePaths:
+        - vendor
 
-    # TODO review once we drop PHP 7.x support
-    treatPhpDocTypesAsCertain: false
+    ignoreErrors:
+        - '~^Unsafe usage of new static\(\)\.$~'