Hello Yasitha Gunarathne
Thanks for your question.
To update this, I would recommend you define this in a YAML file. You can export current config
az containerapp show -n my-containerapp -g MyResourceGroup --output yaml
Then proceed to edit as needed using on the yaml file you have defined above
az containerapp update -n my-containerapp -g MyResourceGroup --yaml container.yaml
Please let me know if you have further questions
You can mark it 'Accept Answer' if this helped.