Bump haskell/actions from 2.3.3 to 2.3.6 (#3529)

Bumps [haskell/actions](https://github.com/haskell/actions) from 2.3.3 to 2.3.6.
- [Release notes](https://github.com/haskell/actions/releases)
- [Commits](haskell/actions@v2.3.3...v2.3.6)

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

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

Author: dependabot[bot]

.github/workflows/bench.yml

@@ -113,7 +113,7 @@ jobs:
         example: ['cabal', 'lsp-types']
 
     steps:
-    - uses: haskell/actions/setup@v2.3.3
+    - uses: haskell/actions/setup@v2.3.6
       with:
         ghc-version  : ${{ matrix.ghc   }}
         cabal-version: ${{ matrix.cabal }}