Allow building with transformers-0.6.* (GHC 9.6)

Fixes harpocrates#44.

Author: RyanGlScott

language-rust.cabal

@@ -86,7 +86,7 @@ library
 
   build-depends:       base                 >=4.9  && <5.0
                      , prettyprinter        >=1.0  && <2.0
-                     , transformers         >=0.4  && <0.6
+                     , transformers         >=0.4  && <0.7
                      , array                >=0.5  && <0.6
                      , deepseq              >=1.1  && <1.5