Update codecov/codecov-action digest to ad3126e

Author: renovate[bot]

.github/workflows/api.yml

@@ -16,6 +16,6 @@ jobs:
     - name: Run tests and collect coverage
       run: pytest --cov=app --cov-report=xml
     - name: Upload coverage reports to Codecov with GitHub Action
-      uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5
+      uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}