Make tests run on .net framework and .net · Caliburn-Micro/Caliburn.Micro@4b03018

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-dotnet@v1, actions/setup-java@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Build app for release: src/Caliburn.Micro.Platform/Action.cs#L126

Cannot convert null literal to non-nullable reference type.

Build app for release: src/Caliburn.Micro.Platform/Action.cs#L126

Cannot convert null literal to non-nullable reference type.

Build app for release: src/Caliburn.Micro.Platform/Action.cs#L126

Cannot convert null literal to non-nullable reference type.

Build app for release: src/Caliburn.Micro.Platform/Action.cs#L126

Cannot convert null literal to non-nullable reference type.

Build app for release: src/Caliburn.Micro.Platform/Platforms/Maui/INavigationService.cs#L26

Cannot convert null literal to non-nullable reference type.

Build app for release: src/Caliburn.Micro.Platform/Platforms/Maui/INavigationService.cs#L35

Cannot convert null literal to non-nullable reference type.