Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v2, actions/setup-dotnet@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'AppEventActivityExtensions.OnMeetingLeave(App, Func<IContext<MeetingParticipantLeaveActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingEnd(App, Func<IContext<MeetingEndActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingStart(App, Func<IContext<MeetingStartActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingJoin(App, Func<IContext<MeetingParticipantJoinActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingLeave(App, Func<IContext<MeetingParticipantLeaveActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingEnd(App, Func<IContext<MeetingEndActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'AppEventActivityExtensions.OnMeetingStart(App, Func<IContext<MeetingStartActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'