Updated Vietnamese translation

Signed-off-by: Trần Ngọc Quân <vnwildman@gmail.com>
4 jobs from master in 11 minutes and 23 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #233402
centos_build

00:03:44

passed #233403
ubuntu_build

00:03:10

 
  Test
passed #233404
centos_test

00:07:32

passed #233405
ubuntu_test

00:07:38