Use seconds, not nanoseconds, in status timestamps

3 jobs for v2 in 4 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Pkgsrc
passed #7421
build_pkgsrc:stretch

00:00:18

 
  Build Pkg
passed #7422
amd64
build_pkg:stretch:amd64

00:01:25

passed #7423
arm64
build_pkg:stretch:arm64

00:04:24