How to change the app icon for forge app without using URL

We need to change the app icon without using url.
in manifest file we have given as below.
jira:issuePanel:
- key: jira-azuredevops
resource: wrapper-app
resolver:
function: resolver
viewportSize: medium
title: Azure DevOps Board Integration
icon: resource:app_icon;icons/logo.svg

Please let us know for any change need to be done

Have you defined the app_icon resource as well?

e.g.

....
resources:
  - key: app_icon
    path: static/hello-world/build