So unload crash - Githubissues

Updates aws-lc and s2n to versions that clean up (or expose APIs to clean up) their thread local state properly in the face of shared object unload.
Updates aws-c-cal and aws-c-io to use the new aws-lc thread local clean up API

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

awslabs / aws-crt-nodejs