GitHub Copilot CLI 1.0.109-1 adds CIDR support and Claude Fable 5.2 model

Added IPv4/IPv6 CIDR support for sandbox host allow and deny rules and added Claude Fable 5.2 to the model picker. Improved sandbox path settings to accept environment variables, use cache‑aware background wait timeouts by default, and fixed multiple UI and command‑line bugs.

Official: https://github.com/github/copilot-cli/releases/tag/v1.0.109-1

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