chore: output changelog into release workflow log

Signed-off-by: miigotu <[email protected]>

Author: miigotu

.github/workflows/release.yml

@@ -48,3 +48,5 @@ jobs:
           path: |
             dist/*.whl
             dist/*.tar.gz
+      - run: |
+          echo ${{ steps.next-version.outputs.changelog }}