CI: fix codecov (#132)

Author: fingolfin

.github/workflows/CI.yml

@@ -35,5 +35,6 @@ jobs:
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
+        continue-on-error: true
         with:
-          file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}