Cabal revisions of hasql-0.19.18

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

   hasql version:   0.19.18+x-revision: 1 category:   Hasql, Database, PostgreSQL synopsis:     placeholders == 0.1.*,     -- general:     base-prelude >= 0.1.19 && < 2,-    base >= 4.6 && < 5+    base >= 4.6 && < 4.10   test-suite tasty