Bump codecov/codecov-action from 3 to 4

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](codecov/codecov-action@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>

.github/workflows/ci_integration.yml

@@ -53,7 +53,7 @@ jobs:
           INTEGRATION_PAT_GITLAB: ${{ secrets.INTEGRATION_PAT_GITLAB }}
           INTEGRATION_REPO_SSH_KEY_GITLAB: ${{ secrets.INTEGRATION_REPO_SSH_KEY_GITLAB }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/ci_unit.yml

@@ -44,7 +44,7 @@ jobs:
         env:
           COMPATHELPER_RUN_INTEGRATION_TESTS: "false"
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}