QA: update phpstan

phpstan.neon

@@ -1,12 +1,9 @@
 includes:
-	- vendor/phpstan/phpstan-deprecation-rules/rules.neon
-	- vendor/phpstan/phpstan-nette/extension.neon
-	- vendor/phpstan/phpstan-nette/rules.neon
-	- vendor/phpstan/phpstan-strict-rules/rules.neon
+	- vendor/contributte/phpstan/phpstan.neon
 
 parameters:
 	level: 9
-	phpVersion: 70200
+	phpVersion: 80100
 
 	scanDirectories:
 		- src
@@ -16,7 +13,6 @@ parameters:
 
 	paths:
 		- src
+		- .docs
 
 	ignoreErrors:
-		- '#Unsafe usage of new static\(\).#'
-		- '#Strict comparison using === between non-empty-array<int, string> and false will always evaluate to false#'