GA(deps): Bump haskell/actions from 1.2.3 to 1.2.4 (kowainik#422)

Bumps [haskell/actions](https://github.com/haskell/actions) from 1.2.3 to 1.2.4.
- [Release notes](https://github.com/haskell/actions/releases)
- [Commits](haskell/actions@v1.2.3...v1.2.4)

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

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

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

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - uses: actions/[email protected]
 
-    - uses: haskell/actions/[email protected].3
+    - uses: haskell/actions/[email protected].4
       name: Setup Haskell
       with:
         ghc-version: ${{ matrix.ghc }}
@@ -44,7 +44,7 @@ jobs:
     steps:
     - uses: actions/[email protected]
 
-    - uses: haskell/actions/[email protected].3
+    - uses: haskell/actions/[email protected].4
       name: Setup Haskell
       with:
         ghc-version: ${{ matrix.ghc }}
@@ -79,7 +79,7 @@ jobs:
     steps:
     - uses: actions/[email protected]
 
-    - uses: haskell/actions/[email protected].3
+    - uses: haskell/actions/[email protected].4
       name: Setup Haskell
       with:
         ghc-version: ${{ matrix.ghc }}
@@ -114,7 +114,7 @@ jobs:
     steps:
     - uses: actions/[email protected]
 
-    - uses: haskell/actions/[email protected].3
+    - uses: haskell/actions/[email protected].4
       name: Setup Haskell
       with:
         ghc-version: ${{ matrix.ghc }}
@@ -140,7 +140,7 @@ jobs:
     steps:
     - uses: actions/[email protected]
 
-    - uses: haskell/actions/[email protected].3
+    - uses: haskell/actions/[email protected].4
       name: Setup Haskell
       with:
         ghc-version: ${{ matrix.ghc }}