Update CHANGELOG.md

Author: natemcmaster

CHANGELOG.md

@@ -4,6 +4,9 @@
 * Fix [#92] by [@kbilsted] - Show enum names in help text for Options and Arguments stored as enum
 
 ## [v2.4.2]
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+[v2.4.2]: https://github.com/natemcmaster/CommandLineUtils/compare/v2.4.1...v2.4.2
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 * Fix [#286] - fix deadlock in CTRL+C handling on Windows
 
 [#286]: https://github.com/natemcmaster/CommandLineUtils/issues/286