Replace deprecated codecov npm package with official Codecov uploader (#109)

* Initial plan

* Replace deprecated codecov npm package with official Codecov uploader

Co-authored-by: theRealPadster <1565883+theRealPadster@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: theRealPadster <1565883+theRealPadster@users.noreply.github.com>

Author: Copilot

.github/workflows/test.yml

@@ -21,3 +21,9 @@ jobs:
         run: npm ci
       - name: Run tests
         run: npm test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./coverage/lcov.info
+          fail_ci_if_error: false
+          token: ${{ secrets.CODECOV_TOKEN }}

.travis.yml

@@ -6,4 +6,5 @@ branches:
   - master
 script:
   - npm run test
-  - npm run report-coverage
+after_success:
+  - bash <(curl -s https://codecov.io/bash)