chore: add @codebytere to the Security WG (#556)

Author: VerteDinde

wg-security/README.md

@@ -16,6 +16,7 @@ incidents, and oversees rollout of fixes.
 | <img src="https://github.com/StevenEBarbaro.png" width=100 alt="@StevenEBarbaro">  | Steve Barbaro [@StevenEBarbaro](https://github.com/StevenEBarbaro) | Member | ? |
 | <img src="https://github.com/belenko.png" width=100 alt="@belenko">  | Andrey Belenko [@belenko](https://github.com/belenko) | Member | CET (Prague) |
 | <img src="https://github.com/VerteDinde.png" width=100 alt="@VerteDinde">  | Keeley Hammond [@VerteDinde](https://github.com/VerteDinde) | Member | PST |
+| <img src="https://github.com/codebytere.png" width=100 alt="@codebytere">  | Shelley Vohr [@codebytere](https://github.com/codebytere) | Member | CET (Berlin) |
 
 ## Areas of Responsibility