changelog.d/pr-8496

   1 synopsis: build pkgconfig db individually when bulk fails
   2 packages: cabal-install cabal-install-solver
   3 prs: #8496
   4 issues: #8494
   5
   6 description: {
   7
   8 - When pkg-config fails to get versions for all packages in bulk, falls back to querying one-by-one.
   9
  10 }