Update CODEOWNERS (#103)

### Checklist

* [x] I have read the [Contributor Guide](../CONTRIBUTING.md)
* [x] I have read and agree to the [Code of
Conduct](../CODE_OF_CONDUCT.md)
* [x] I have added a description of my changes and why I'd like them
included in the section below

### Description of Changes

@VZout suggested being removed as code owner as he barely works on the
project. Adding my self as a replacement as I do plan to work on it in
the coming time.

.github/CODEOWNERS

@@ -1 +1 @@
-* @emilk @VZout
+* @emilk @TimonPost