Merge branch 'decfiles_v30r66' into 'master'

Prepare release of DecFiles v30r66

See merge request !884
4 jobs for v30r66 in 7 minutes and 34 seconds
latest
Status Name Job ID Coverage
  Build
passed gen-options #17135285
cvmfs

00:00:56

 
  Test
passed check-decfiles #17135287
cvmfs

00:00:47

passed run-gauss #17135286
cvmfs

00:00:55

 
  Deploy Datapkg
passed deploy_datapkg #17135288
cvmfs

00:05:42