Parallelize RunCommand in issue-bot

Author: ondrejmirtes

issue-bot/composer.json

@@ -2,13 +2,17 @@
 	"name": "phpstan/issue-bot",
     "require": {
 		"php": "^8.3",
+		"fidry/cpu-core-counter": "^1.3",
 		"guzzlehttp/guzzle": "^7.5",
 		"knplabs/github-api": "^3.9",
 		"league/commonmark": "^2.3",
 		"nette/neon": "^3.3",
 		"nette/utils": "^3.2",
 		"phpstan/phpstan-deprecation-rules": "^2.0",
 		"phpstan/phpstan-strict-rules": "^2.0",
+		"react/child-process": "^0.6.7",
+		"react/event-loop": "^1.6",
+		"react/promise": "^3.3",
 		"symfony/console": "^6.1",
 		"symfony/finder": "^6.1"
 	},