chore: bump codecov/codecov-action in the github-actions group (#542)

Bumps the github-actions group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 5.4.0 to 5.4.2
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@0565863...ad3126e)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 5.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/witness.yml

@@ -60,4 +60,4 @@ jobs:
             run: ${{ inputs.command }}
 
           - if: ${{ inputs.step == 'tests' }}
-            uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574
+            uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d