hydra-queue-runner: sleep 5s after handling an exception

Dependencies

• [2] SODOV2CM Automatically reload $NIX_REMOTE_SYSTEMS when it changes
• [*] 24BMQDZA Start of single-process hydra-queue-runner

Change contents

• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 221
  [2.3575]

  [2.3575]
  + sleep(5);