Bump codecov/codecov-action from 3 to 4 (#19936)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v3...v4)

---
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>
Co-authored-by: Shengwen YU <yshengwen@vmware.com>

.github/workflows/CI.yml

@@ -89,7 +89,7 @@ jobs:
           bash ./tests/showtime.sh ./tests/ci/ut_run.sh $IP
           df -h
       - name: Codecov For BackEnd
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: ./src/github.com/goharbor/harbor/profile.cov
           flags: unittests
@@ -331,7 +331,7 @@ jobs:
           bash ./tests/showtime.sh ./tests/ci/ui_ut_run.sh
           df -h
       - name: Codecov For UI
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file:  ./src/github.com/goharbor/harbor/src/portal/coverage/lcov.info
           flags: unittests