Bump actions/cache from 5.0.3 to 5.0.4

Bumps [actions/cache](https://github.com/actions/cache) from 5.0.3 to 5.0.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v5.0.3...v5.0.4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 5.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/checks.yml

@@ -317,7 +317,7 @@ jobs:
           cache: npm
           node-version-file: .nvmrc
       - name: Cache Stryker incremental report
-        uses: actions/cache@v5.0.3
+        uses: actions/cache@v5.0.4
         with:
           path: .cache/stryker-incremental-unit.json
           key: mutation-unit-${{ github.run_number }}
@@ -353,7 +353,7 @@ jobs:
           cache: npm
           node-version-file: .nvmrc
       - name: Cache Stryker incremental report
-        uses: actions/cache@v5.0.3
+        uses: actions/cache@v5.0.4
         with:
           path: .cache/stryker-incremental-integration.json
           key: mutation-integration-${{ github.run_number }}