chore: request review from groupware when changing the card- and caldav integration tests

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

.github/CODEOWNERS

@@ -65,6 +65,10 @@ ResponseDefinitions.php @provokateurin
 /lib/public/Talk                    @nickvergessen
 /lib/public/UserStatus              @nickvergessen
 
+# Groupware
+/build/integration/dav_features/caldav.feature @ChristophWurst @miaulalala @tcitworld
+/build/integration/dav_features/carddav.feature @ChristophWurst @miaulalala @tcitworld
+
 # Personal interest
 */Activity/*                        @nickvergessen
 */Notifications/*                   @nickvergessen