Bump actions/cache from 3.0.3 to 3.0.4

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.3 to 3.0.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3.0.3...v3.0.4)

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

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

.github/workflows/gh-pages.yml

@@ -19,7 +19,7 @@ jobs:
         elm-version: 0.19.1
 
     - name: Cache
-      uses: actions/cache@v3.0.3
+      uses: actions/cache@v3.0.4
       with:
         path: |
           ~/.cabal

.github/workflows/haskell.yml

@@ -19,7 +19,7 @@ jobs:
         cabal-version: '3.0'
 
     - name: Cache
-      uses: actions/cache@v3.0.3
+      uses: actions/cache@v3.0.4
       env:
         cache-name: cache-cabal
       with:

.github/workflows/playground.yml

@@ -20,7 +20,7 @@ jobs:
         elm-version: 0.19.1
 
     - name: Cache
-      uses: actions/cache@v3.0.3
+      uses: actions/cache@v3.0.4
       with:
         path: |
           ~/.stack