How to save TLS session keys out of GitLab

I need to debug a webhook call where GitLab is the client. Can GitLab be configured to save the TLS session keys like Chrome or Firefox used to do when an SSLKEYLOGFILE environment variable was set? Unfortunately, the webhook server (AWX) is using TLS 1.3 which Wireshark can’t automatically decrypt even though I have both the server and the client private keys.