Node browser runtime v2.1.5

Fixes

• When running in K8 mode, unhealthy Runtimes now exit if they cannot reach SJM's 'Job' endpoint.
• Pinning Yarn to version 2.4.3.
• Truncates script logs to expected size.
• Upgrade base Ubuntu image.
• Set minimum TLS version to accommodate upgraded Ubuntu base image OpenSSL.

Security patches

• CVE-2023-43646
• CVE-2023-46233
• CVE-2023-28155
• CVE-2023-45857