Cabal revisions of th-desugar-1.15

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

 name:           th-desugar
 version:        1.15
+x-revision: 1
 cabal-version:  >= 1.10
 synopsis:       Functions to desugar Template Haskell
 homepage:       https://github.com/goldfirere/th-desugar
       mtl >= 2.1 && < 2.4,
       ordered-containers >= 0.2.2,
       syb >= 0.4,
-      th-abstraction >= 0.5 && < 0.6,
+      th-abstraction >= 0.5 && < 0.7,
       th-orphans >= 0.13.7,
       transformers-compat >= 0.6.3
   default-extensions: TemplateHaskell