Fix Prettier Error for Unknown File Types in writeIfChanged (#421)

other/build-icons.ts

@@ -148,6 +148,6 @@ async function writeIfChanged(filepath: string, newContent: string) {
 		.catch(() => '')
 	if (currentContent === newContent) return false
 	await fsExtra.writeFile(filepath, newContent, 'utf8')
-	await $`prettier --write ${filepath}`
+	await $`prettier --write ${filepath} --ignore-unknown`
 	return true
 }