Bump haskell-actions/setup from 2.7.11 to 2.8.0

Bumps [haskell-actions/setup](https://github.com/haskell-actions/setup) from 2.7.11 to 2.8.0.
- [Release notes](https://github.com/haskell-actions/setup/releases)
- [Commits](haskell-actions/setup@64445b6...96f3daf)

---
updated-dependencies:
- dependency-name: haskell-actions/setup
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -32,7 +32,7 @@ jobs:
           key: build-${{ hashFiles('app/**', 'src/**', 'test/**') }}
           restore-keys: build-
 
-      - uses: haskell-actions/setup@64445b6b5dd545faf5f8e2acee8253eb5c2b29aa # v2.7.11
+      - uses: haskell-actions/setup@96f3dafd067155f32643c2a0757ab71d2910e2c2 # v2.8.0
         with:
           enable-stack: true