Release v0.24.9

What's Changed

• feat(channels): add Discord guild channel allowlist by @cpfiffer in #1950
• fix(channels): Discord direct-message routing by @cpacker in #1944
• fix(listener): support local channel listeners for self-hosted servers by @cpacker in #1993
• fix: remove gpt 5.5 pro by @AriWebb in #2000
• chore: bump version to 0.24.9 by @github-actions[bot] in #2001

Full Changelog: v0.24.8...v0.24.9