Update .github/workflows/ci.yml

Author: visr

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          files: lcov.info
   # docs:
   #   name: Documentation
   #   runs-on: ubuntu-latest