nvitop v1.3.2

nvitop v1.3.2

Added

• Add separate implementation for GpuStatsLogger callback for lightning by @XuehaiPan in #114.
• Remove metrics if process is gone in nvitop-exporter by @XuehaiPan in #107.

Full Changelog: https://github.com/XuehaiPan/compare/v1.3.1...v1.3.2