Bump chap & hackage. Remove GHC 9.8 from GHA.

.github/workflows/haskell.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ["8.10.7", "9.6", "9.8", "9.10"]
+        ghc: ["8.10.7", "9.6", "9.10"]
         cabal: ["3.12"]
         sys:
           - { os: windows-latest, shell: 'C:/msys64/usr/bin/bash.exe -e {0}' }

cabal.project

@@ -13,8 +13,8 @@ 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 2024-07-30T01:49:10Z
-  , cardano-haskell-packages 2024-07-30T02:20:18Z
+  , hackage.haskell.org 2024-08-15T08:53:32Z
+  , cardano-haskell-packages 2024-08-15T10:40:33Z
 
 packages:
     cardano-api
@@ -45,17 +45,6 @@ test-show-details: direct
 -- Always write GHC env files, because they are needed for ghci.
 write-ghc-environment-files: always
 
-constraints:
-  , plutus-ledger-api ^>= 1.31
-
-allow-newer:
-  -- These are required due to the above.
-  , cardano-ledger-alonzo:plutus-ledger-api
-  , cardano-ledger-alonzo-test:plutus-ledger-api
-  , cardano-ledger-babbage:plutus-ledger-api
-  , cardano-ledger-binary:plutus-ledger-api
-  , cardano-ledger-conway:plutus-ledger-api
-
 -- IMPORTANT
 -- Do NOT add more source-repository-package stanzas here unless they are strictly
 -- temporary! Please read the section in CONTRIBUTING about updating dependencies.