file -> files

Author: andreasnoack

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ 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