tree b6bc9f252601dbe823dd2ac8664e2d70f6748005
parent 0e51c2f835a3c7afc0770d6615ebc2b36b900b64
author asedeno <asedeno@google.com> 1770233032 -0800
committer Copybara-Service <copybara-worker@google.com> 1770233085 -0800

Use absl::down_cast in quiche / quic

Upgrade absl to 20260107.0 so we have a version that supports absl::down_cast.
Upgrade rules_cc to 0.2.9 to match absl.

PiperOrigin-RevId: 865498655