chore: update CODEOWNERS (#501)

Co-authored-by: Moritz Krügener <kruegener@users.noreply.github.com>

Author: olivermeyer

.github/CODEOWNERS

@@ -1,5 +1,5 @@
 # aignostics code owners
 
-* @helmut-hoffer-von-ankershoffen
+* @aignostics/be-tada @helmut-hoffer-von-ankershoffen
 
 # Reference: <https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners>