chore(app): fix code coverage issue (trustbloc#868)

* chore: fix code coverage issue

Signed-off-by: Volodymyr Kit <[email protected]>

Author: justakit

.github/workflows/build.yml

@@ -61,10 +61,9 @@ jobs:
       - name: Run unit test
         run: make unit-test
       - name: Upload coverage to Codecov
-        run: |
-          bash <(curl https://codecov.io/bash)
-        env:
-          CODECOV_UPLOAD_TOKEN: ${{ secrets.CODECOV_UPLOAD_TOKEN }}
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_UPLOAD_TOKEN }}
 
   SDKIntegrationTest:
     runs-on: ubuntu-24.04