Correct a typo in tasks/translate.js (#9501)

tasks/translate.js

@@ -6,7 +6,7 @@ import {readFile, writeFile, httpsRequest, timeout, log} from './utils.js';
 // 1. Edit a line in en.config.
 // 2. Run `npm run translate-line 123` where 123 is a line number starting from 1.
 // 3. The line will be translated and written into other locales.
-// TODO: If neccessary, new @id and empty lines should be copied as well.
+// TODO: If necessary, new @id and empty lines should be copied as well.
 // TODO: Serbian translates into Cyrillic, but it is somehow possible to do Latin.
 
 /** @typedef {{locale: string; file: string; content: string}} LocaleFile */