you can try to call the download command multiple times.
When downloading extensions, you may eventually see errors like `curl: (56) The requested URL returned error: 403` which are often caused by github rate limiting.
You can verify this by adding `--debug` to the command and will see something like `[DEBU] Running command (no output) : curl -sfSL "https://api.github.com/repos/openssl/openssl/releases"`.
To fix this, [create](https://github.com/settings/tokens) a personal access token on GitHub and set it as an environment variable `GITHUB_TOKEN=<XXX>`.
If you confirm that the address is indeed inaccessible,