我有一个带有一个git子模块的应用程序，当我将其部署到Heroku上时未被检测到。我该怎么办？
这是我得到的输出
remote: Git submodules detected, installing:
remote: Submodule 'resources/js/react_app' (git@github.com:jorguerra/innoscripta-react-app.git) registered for path 'resources/js/react_app'
remote: Cloning into 'resources/js/react_app'...
remote: Host key verification failed.
remote: fatal: Could not read from remote repository.
remote:
remote: Please make sure you have the correct access rights
remote: and the repository exists.
remote: Clone of 'git@github.com:jorguerra/innoscripta-react-app.git' into submodule path 'resources/js/react_app' failed