security/vault: Fix build

Upstream broke v1.8.2 branch by accident, temporary fix by
cloning upstream on github, resetting the repo hard, and
changing github source. This way hashes in distinfo
stay the same (only the filename changes).

See also
https://github.com/swills/vaultui/commit/b91a8bb9#commitcomment-63640515

PR: 261125
Approved by: build fix blanket