[#142914969, #142945679] Fix and upgrade kcov (#18)
[#142914969, #142945679] Fix and upgrade kcov (#18)

Fixes codecov and upgrades it to the master branch release. Since the
segafault was fixed, I no longer need to use v33 for stable code
coverage metrics. I can go back to using master.
ELD/Aluminum-rs,ELD/Aluminum-rs,ELD/Aluminum-rs