Without the change build fails on `master` on `gcc-13` as
https://hydra.nixos.org/build/249086583:
In file included from /build/source/components/keyrings/common/data/data.cc:25:
/build/source/components/keyrings/common/data/data.h: In member function 'pfs_string keyring_common::data::Sensitive_data::decode() const':
/build/source/components/keyrings/common/data/data.h:69:24: error: 'uintptr_t' is not a member of 'std'
69 | std::hash<std::uintptr_t>{}(reinterpret_cast<std::uintptr_t>(this));
| ^~~~~~~~~