Updated Hackage index

This allows us to use `tasty-1.5`.

Author: coot

cabal.project

@@ -11,7 +11,7 @@ repository cardano-haskell-packages
     d4a35cd3121aa00d18544bb0ac01c3e1691d618f462c46129271bccf39f7e8ee
 
 index-state:
-  , hackage.haskell.org 2023-03-25T12:00:00Z
+  , hackage.haskell.org 2023-09-20T00:00:00Z
   , cardano-haskell-packages 2022-11-15T17:30:00Z
 
 -- TODO: early ghc-9.6 support