cabal.project: Update index-states

Author: erikd

cabal.project

@@ -13,7 +13,7 @@ repository cardano-haskell-packages
 -- See CONTRIBUTING for information about these, including some Nix commands
 -- you need to run if you change them
 index-state:
-  , hackage.haskell.org 2026-08-02T17:21:34Z
+  , hackage.haskell.org 2026-09-01T20:29:07Z
   , cardano-haskell-packages 2026-09-03T10:20:53Z
 
 packages: