Bump codecov/codecov-action from 5.4.0 to 5.4.2

Bumps [codecov/codecov-action](https://github.com/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
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -90,7 +90,7 @@ jobs:
 
       - uses: julia-actions/julia-processcoverage@03114f09f119417c3242a9fb6e0b722676aedf38 # v1.2.2
 
-      - uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
+      - uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5.4.2
         with:
           verbose: true
           files: lcov.info