4.0.4 Release

What's Changed

• Bump to 4.0.4 by Aditi Gaur (@aditigaur4) in #448
• Fix labels for accounting fields by Aditi Gaur (@aditigaur4) in #449
• bugfix: Properly set allocatable cores for HT VMs with use_pcpu=true by ryanhamel in #450
• Handle healthagent disablement correctly. by Aditi Gaur (@aditigaur4) in #451
• Readme changes for 4.0.4 by Aditi Gaur (@aditigaur4) in #452
• Fix slurmdbd failover by Aditi Gaur (@aditigaur4) in #447

Full Changelog: 4.0.3...4.0.4