Update Hackage index state

- bump the index state in `cabal.project`
- update hackage.nix, use the legacy `for-stackage` branch
- bump tool index state

Author: geo2a

cabal.project

@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- update either of these.
 index-state:
   -- Bump this if you need newer packages from Hackage
-  , hackage.haskell.org 2025-02-27T18:46:10Z
+  , hackage.haskell.org 2025-03-18T17:41:11Z
   -- Bump this if you need newer packages from CHaP
   , cardano-haskell-packages 2025-02-28T01:28:51Z
 

flake.lock

@@ -16,7 +16,7 @@
       inputs.hackage.follows = "hackageNix";
     };
     hackageNix = {
-      url = "github:input-output-hk/hackage.nix";
+      url = "github:input-output-hk/hackage.nix?ref=for-stackage";
       flake = false;
     };
     CHaP = {

flake.nix

@@ -2,7 +2,7 @@ inputs: final: prev:
 
 let
   inherit (final) lib;
-  tool-index-state = "2024-07-04T00:00:00Z";
+  tool-index-state = "2025-03-18T17:41:11Z";
   tool = name: version: other:
     final.haskell-nix.tool final.hsPkgs.args.compiler-nix-name name ({
       version = version;