[Updated] Install EXT:ns_youtube via Composer

3 jobs for 403-install-ext-ns_youtube-via-composer-2 in 26 seconds (queued for 3 seconds)
Name Stage Failure
failed
build Build
  [Seld\JsonLint\ParsingException]                                  
"./composer.json" does not contain valid JSON
Parse error on line 70:
...youtube": "^1.1", }, "require-dev":
---------------------^
Expected: 'STRING' - It appears you have an extra trailing comma


ERROR: Job failed: exit code 1