testing/drone: upgrade to 1.4.0

5 jobs for !239 with drone in 3 minutes and 25 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #1759
docker-alpine x86_64
lint

00:00:19

 
  Build
passed #1763
docker-alpine ci-build ppc64le
build-ppc64le

00:02:15

passed #1762
docker-alpine ci-build s390x
build-s390x

00:02:19

passed #1761
docker-alpine ci-build x86
build-x86

00:03:05

passed #1760
docker-alpine ci-build x86_64
build-x86_64

00:02:48