kOps: Add tests-e2e-scenarios-bare-metal-ipv6 context

Author: hakman

config/prow/config.yaml

@@ -361,6 +361,7 @@ branch-protection:
           required_status_checks:
             contexts:
             - tests-e2e-scenarios-bare-metal
+            - tests-e2e-scenarios-bare-metal-ipv6
             - build-linux-amd64
             - build-linux-arm64
             - build-macos-amd64