release: bump version to 1.8.30

6 jobs for 1.8.30 in 16 minutes and 52 seconds
latest
Status Name Job ID Coverage
  Build
passed fedora28_dist #779168

00:06:33

 
  Test
passed centos7 #779173

00:04:03

passed fedora_autotools_full #779172

00:10:18

passed fedora_autotools_minimal #779171

00:03:45

passed fedora_meson_full #779170

00:09:49

passed fedora_meson_minimal #779169

00:03:21