Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/coverage.yml

@@ -30,6 +30,6 @@ jobs:
       - name: Collect coverage data
         run:  ./scripts/commands.sh coverage
       - name: Upload coverage data to codecov
-        uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3
+        uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5
         with:
           files: lcov.info, lcov-doctest.info