ad21f22948 ci: use clang-16 for Valgrind (fanquake) Pull request description: Switch to Ubuntu Noble. Valgrind 3.19 -> 3.22 Clang 14 -> Clang 16 ACKs for top commit: maflcko: lgtm ACK ad21f22948 Tree-SHA512: ec79ef9faaec97e34529ae36fff7798f859daca6a1e3563bc50e5d56a56ee4525c736976158a6e950c5b9f810c498d54ab128df984f42441e706033906c2ea3e
ad21f22948