update code ownership

Author: tommasini

.github/CODEOWNERS

@@ -46,6 +46,7 @@ app/core/DeeplinkManager                                    @MetaMask/mobile-pla
 scripts/build.sh                                            @MetaMask/mobile-platform
 fingerprint.config.js                                       @MetaMask/mobile-platform
 builds.yml                                                  @MetaMask/mobile-platform
+.github/workflows/create-build-branch.yml                   @MetaMask/mobile-platform
 .github/workflows/push-eas-update.yml                       @MetaMask/mobile-admins
 .github/workflows/upload-to-testflight.yml                  @MetaMask/mobile-admins
 scripts/update-expo-channel.js                              @MetaMask/mobile-admins