p5-IPC-Run: update to 20200505.0.

20200505.0 Tue May 5 2020
- #125 - Fix syntax errors in POD examples
- #127 - Switch Readonly testing requirement to a recommends
- #129 - Fix full_result to always return $?
- #136 - kill_kill: Immediately KILL the child process as documented for Win32.
- Switch to github actions for CI testing
- Re-structure shipped files into eg
- Move author tests into xt and test them separately.

(wiz)