Minor fix to 0.10.0 changelog (#149)

Author: HowardWolosky

CHANGELOG.md

@@ -2,8 +2,8 @@
 ## Changelog
 
   [0.10.0](https://github.com/PowerShell/PowerShellForGitHub/tree/0.10.0) - (2020/03/02)
-### Fixes:
-- Added `Rename-GitHubRepository`
+### Features:
++ Added `Rename-GitHubRepository`
   [[pr]](https://github.com/PowerShell/PowerShellForGitHub/pull/145) | [[cl]](https://github.com/PowerShell/PowerHellForGitHub/commit/536b762425d51a181166c2c47ad2b00014911d1d)
 
 Author: [**@mtboren**](https://github.com/mtboren)