Update LICENSE to add year (#11) · openai/openai-dotnet@6ac3435

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/setup-dotnet@v1, actions/checkout@v2, actions/upload-artifact@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

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

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

'MessageDeltaContentImageFileObject.Type' hides inherited member 'MessageDeltaContent.Type'. Use the new keyword if hiding was intended.

'MessageDeltaContentImageUrlObject.Type' hides inherited member 'MessageDeltaContent.Type'. Use the new keyword if hiding was intended.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.