Bump codecov/codecov-action from 4.6.0 to 5.1.2

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.6.0 to 5.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@b9fd7d1...1e68e06)

---
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>

.github/workflows/ci.yaml

@@ -128,7 +128,7 @@ jobs:
           make test
           git status
       - name: Publish Unit Test Coverage
-        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
+        uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 # v5.1.2
         with:
           flags: unittests
           file: cover.out