hydra-notify: Don't do an unnecessary fetch of Jobsets

Dependencies

• [2] 6WRGCITD Enable declarative projects.
• [3] FCTX433O Add buildStarted plugin hook
• [4] NTEDD7T4 Provide a plugin hook for when build steps finish
• [5] IE2PRAQU hydra-queue-runner: Send build notifications
• [6] 32KJOERM Turn hydra-notify into a daemon

Change contents

• replacement in src/script/hydra-notify at line 43
  [2.5702]→[2.5702:5825](∅→∅)
  − my $jobset = $build->jobset;

  − if (length($project->declfile) && $jobset->name eq ".jobsets" && $build->iscurrent) {
  [2.5702]

  [2.5825]
  + my $jobsetName = $build->get_column('jobset');

  + if (length($project->declfile) && $jobsetName eq ".jobsets" && $build->iscurrent) {