Update codecov/codecov-action action to v3 (#12)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
         run: pnpm test -- --coverage
 
       - name: Upload code coverage
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
 
   lint:
     runs-on: ubuntu-latest