Bump haskell/actions from 1 to 2 (#8598)

Bumps [haskell/actions](https://github.com/haskell/actions) from 1 to 2.
- [Release notes](https://github.com/haskell/actions/releases)
- [Commits](https://github.com/haskell/actions/compare/v1...v2

)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.github/workflows/validate.yml

@@ -57,7 +57,7 @@ jobs:
 
       - uses: actions/checkout@v2
 
-      - uses: haskell/actions/setup@v1
+      - uses: haskell/actions/setup@v2
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}
@@ -212,7 +212,7 @@ jobs:
           apt-get update
           apt-get install -y ghc-${{ matrix.extra-ghc }}-dyn
 
-      - uses: haskell/actions/setup@v1
+      - uses: haskell/actions/setup@v2
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}
@@ -261,7 +261,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: haskell/actions/setup@v1
+      - uses: haskell/actions/setup@v2
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}

.github/workflows/whitespace.yml

@@ -31,7 +31,7 @@ jobs:
         path: "~/.local/bin"
         key: fix-whitespace-${{ env.fix-whitespace-ver }}
 
-    - uses: haskell/actions/setup@v1
+    - uses: haskell/actions/setup@v2
       if: ${{ !steps.cache.outputs.cache-hit }}
       with:
         ghc-version: '9.2'