Update .github/CODEOWNERS

Co-authored-by: Joas Schilling <213943+nickvergessen@users.noreply.github.com>
Signed-off-by: Alexander Piskun <13381981+bigcat88@users.noreply.github.com>

Author: bigcat88

.github/CODEOWNERS

@@ -30,6 +30,7 @@
 # Two-Factor Authentication
 # https://github.com/nextcloud/wg-two-factor-authentication#members
 /apps/twofactor_backupcodes/appinfo/info.xml  @st3iny @miaulalala @ChristophWurst
+/apps/twofactor_backupcodes                   @ChristophWurst @miaulalala @nickvergessen
 */TwoFactorAuth/*                   @ChristophWurst @miaulalala @nickvergessen
 /core/templates/twofactor*          @ChristophWurst @miaulalala @nickvergessen