Use patch instead of quilt for the nginx patch

1 job for master in 4 minutes and 48 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
failed build #985

00:04:48

 
Name Stage Failure
failed
build Build
Traceback (most recent call last):
File "scripts/build.py", line 167, in <module>
main()
File "scripts/build.py", line 157, in main
build_package(repo_dir=repo_dir, package_dir=package_dir, **package)
File "scripts/build.py", line 94, in build_package
content))
ValueError: Unknown kind of additional content: {'patch_dir': 'patches/adcli', 'target_dir': 'debian'}
ERROR: Job failed: exit code 1