Try to fix the deployment

Signed-off-by: Lukasz Gryglicki <[email protected]>

Assisted by [OpenAI](https://platform.openai.com/)

Assisted by [GitHub Copilot](https://github.com/features/copilot)

Author: lukaszgryglicki

cla-backend/requirements.txt

@@ -56,3 +56,4 @@ wrapt==1.17.2
 astroid==3.3.8
 pluggy==1.5.0
 gunicorn==22.0.0
+PyNaCl==1.5.0