chore: more specific nodejs version

Author: z0al

.gitignore

@@ -58,3 +58,6 @@ typings/
 .env
 
 .vscode/launch.json
+
+# Git To-Dos 
+.todos.yml

app.json

@@ -5,8 +5,7 @@
 	"repository": "https://github.com/ahmed-taj/commitlint-bot",
 	"env": {
 		"PRIVATE_KEY": {
-			"description":
-				"the private key of your GitHub App. It must be base64 encoded!"
+			"description": "the private key of your GitHub App."
 		},
 		"APP_ID": {
 			"description": "the ID of your GitHub App"

package.json

@@ -28,7 +28,7 @@
 		"semantic-release": "^8.2.0"
 	},
 	"engines": {
-		"node": ">=8",
-		"npm": ">=5"
+		"node": "8.9.x",
+		"npm": "5.5.x"
 	}
 }