composer: require stable packages outside of nette

Author: dg

composer.json

@@ -22,8 +22,8 @@
 		"nette/tester": "^2.4",
 		"nikic/php-parser": "^4.18 || ^5.0",
 		"tracy/tracy": "^2.8",
-		"phpstan/phpstan": "^1.0",
-		"jetbrains/phpstorm-attributes": "dev-master"
+		"phpstan/phpstan-nette": "^2.0@stable",
+		"jetbrains/phpstorm-attributes": "^1.2"
 	},
 	"suggest": {
 		"nikic/php-parser": "to use ClassType::from(withBodies: true) & ClassType::fromCode()"