Node API runtime vrc1.15

Security Patches

• Fixed the following vulnerabilities:
• CVE-2026-4800
• CVE-2025-5918
• CVE-2026-2950
• CVE-2026-4111
• CVE-2025-60753
• GHSA-c7w3-x93f-qmm8
• updated npm version to 11.12.1
• Added dual stack (IPv4 and IPv6) support for containerized private locations. Synthetics Job Manager now works in IPv6 environments while maintaining full IPv4 compatibility. Supported container platforms include Docker, Kubernetes, and Podman.