libkrun-0.1.4

libkrun: Bump version to 0.1.4

Bump version to 0.1.4.

This version includes a fix for the epoll emulation for macOS that
minimizes CPU idle usage.

Signed-off-by: Sergio Lopez <[email protected]>

v0.1.3: Merge pull request #19 from slp/helper_script

Add a helper script for building init/init on krunvm