Upgrade `bind` to 9.20.15 for CVE-2025-40778, CVE-2025-8677, CVE-2025-40780#14920

Kanishk-Bansal wants to merge 2 commits intofasttrack/3.0microsoft/azurelinux:fasttrack/3.0from

cblmargh/bind-upgrade-to-9.20.15-fasttrack/3.0microsoft/azurelinux:cblmargh/bind-upgrade-to-9.20.15-fasttrack/3.0Copy head branch name to clipboard