lfex/ltest: 0.13.6

<h2>What's Changed</h2> <ul> <li>Compile ltest using rebar3 LFE plugin by @John-Goff in https://github.com/lfex/ltest/pull/76</li> </ul> <h2>New Contributors</h2> <ul> <li>@John-Goff made their first contribution in https://github.com/lfex/ltest/pull/76</li> </ul> <p><strong>Full Changelog</strong>: https://github.com/lfex/ltest/compare/0.13.5...0.13.6</p&gt