Bump codecov/codecov-action from 4 to 5 (#303)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/elixir.yml

@@ -49,7 +49,7 @@ jobs:
       env:
         MIX_ENV: test
         AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION}}
-    - uses: codecov/codecov-action@v4
+    - uses: codecov/codecov-action@v5
   build-push-docker:
     runs-on: ubuntu-22.04
     if: github.event_name == 'push'