files for codecov

Author: yegor256

.github/workflows/codecov.yml

@@ -50,5 +50,5 @@ jobs:
       - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          file: ./target/site/jacoco/jacoco.xml
+          files: ./target/site/jacoco/jacoco.xml
           fail_ci_if_error: true