v5.0.0

Breaking

• Require Node.js 12.20 30e5ada
• This package is now pure ESM. Please read this.
• processExists is now a named export.
• processExists.all moved to be a named export processExistsMultiple.
• processExists.filterExists moved to be a named export filterExistingProcesses.

v4.1.0...v5.0.0