Bump haskell/actions from 2.3.7 to 2.4.0 (#3583)

Bumps [haskell/actions](https://github.com/haskell/actions) from 2.3.7 to 2.4.0.
- [Release notes](https://github.com/haskell/actions/releases)
- [Commits](haskell/actions@v2.3.7...v2.4.0)

---
updated-dependencies:
- dependency-name: haskell/actions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/bench.yml

@@ -121,7 +121,7 @@ jobs:
         example: ['cabal', 'lsp-types']
 
     steps:
-    - uses: haskell/actions/setup@v2.3.7
+    - uses: haskell/actions/setup@v2.4.0
       with:
         ghc-version  : ${{ matrix.ghc   }}
         cabal-version: ${{ matrix.cabal }}