Bump haskell-actions/setup from 2.7.8 to 2.7.9

Bumps [haskell-actions/setup](https://github.com/haskell-actions/setup) from 2.7.8 to 2.7.9.
- [Release notes](https://github.com/haskell-actions/setup/releases)
- [Commits](haskell-actions/setup@f5975f0...bbd90a2)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yaml

@@ -32,7 +32,7 @@ jobs:
           key: build-${{ hashFiles('app/**', 'src/**', 'test/**') }}
           restore-keys: build-
 
-      - uses: haskell-actions/setup@f5975f0810e252c045abd64a590c955a63f848db # v2.7.8
+      - uses: haskell-actions/setup@bbd90a29996ac33b1c644a42206e312fc0379748 # v2.7.9
         with:
           enable-stack: true