Gitian build of Calin Culianu's upgrade10_build_1 branch:

  https://gitlab.com/cculianu/bitcoin-cash-node/-/tree/upgrade10_build_1?ref_type=heads

at commit hash 9c9270f075fafc0907fbb6189055b9829538398b.

The runtime software version for this build is still 26.1.1, but this is
already a preview build of the next major release (27.0.0) delivering Upgrade 10
(May 15, 2024 mainnet upgrade and 15 November, 2023 chipnet upgrade)