Bump actions/cache from 3 to 4 (#27)

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/build.yaml

@@ -38,14 +38,14 @@ jobs:
           enable-stack: true
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.stack
           key: stack${{ env.extra_key_part }}-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('package.yaml', 'stack.yaml') }}
 
       - name: Cache build artifacts
         if: ${{ !inputs.coverage }}
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .stack-work
           key: stack${{ env.extra_key_part}}-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('app/**', 'bench/**', 'src/**', 'test/**') }}