try with version 4 of codecov

Author: bgctw

.github/workflows/CI.yml

@@ -44,7 +44,7 @@ jobs:
         env:
           GROUP: ${{ matrix.group }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
   docs: