chore(deps): update codecov/codecov-action action to v6 (#641)

Author: renovate[bot]

.github/workflows/test.yml

@@ -37,6 +37,6 @@ jobs:
         if: >
           !startsWith(github.head_ref, 'renovate/') &&
           !startsWith(github.head_ref, 'releaser-pleaser--')
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}