Vast compiler fails to install - missing clang libraries

[mattgodbolt]

2025-01-09 07:09:51,837 lib.installation_context INFO     Piping to tar Jxf -
2025-01-09 07:10:22,459 lib.installation_context INFO     Removing vast-trunk-20240405
2025-01-09 07:10:22,460 lib.installation_context INFO     Moving from staging (/opt/compiler-explorer/staging/a424c517-54b1-4b2f-b386-e0508940e649/vast-trunk-20250109) to final destination (/opt/compiler-explorer/vast-trunk-20250109)
2025-01-09 07:10:23,703 lib.installation_context INFO     Symlinking vast-trunk-20250109 to /opt/compiler-explorer/vast-trunk
vast-trunk-20250109/bin/vast-front: error while loading shared libraries: libclang-cpp.so.19.1: cannot open shared object file: No such file or directory
2025-01-09 07:10:23,764 lib.ce_install  ERROR    compilers/c++/nightly/vast trunk installed OK, but doesn't appear as installed after

Seems to have happened only just recently.

[mattgodbolt]

Disabled in infra; don't forget to re-enable once fixed.