Fix nvm url in Dockerfile

3 jobs for master in 9 minutes and 4 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
passed #15161
lint

00:01:20

 
  Test Backend
passed #15163
test_backend

00:04:47

 
  Test Frontend
passed #15164
test_frontend_unit

00:02:56