ci: bump codecov/codecov-action from 5.3.1 to 5.4.0 (#168)

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

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -46,7 +46,7 @@ jobs:
           pytest --junitxml report.xml --cov=. -m "not integration_tests"
 
       - name: "Upload coverage to Codecov"
-        uses: codecov/codecov-action@v5.3.1
+        uses: codecov/codecov-action@v5.4.0
         with:
           name: codecov
           files: ./evalme/report.xml