style: Fixed formating issue

Author: newnewb

lib/format.js

@@ -28,8 +28,8 @@ function format(commits) {
 
 	commits.forEach(c => {
 		message += `* Commit: ${c.sha}\n`
-		message += c.errors.map(e => `  - ✖ ${e.message}\n`)
-		message += c.warnings.map(w => `  - ⚠ ${w.message}\n`)
+		message += c.errors.map(e => `  - ✖ ${e.message}\n`).join('')
+		message += c.warnings.map(w => `  - ⚠ ${w.message}\n`).join('')
 	})
 
 	return template.replace('<PLACEHOLDER>', message)