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@cdf6c1f...6682284)

---
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/elixir_test.yml

@@ -49,7 +49,7 @@ jobs:
 
       - name: Retrieve PLT Cache
 
-        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306
+        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7
         id: plt-cache
         with:
           path: priv/plts