Fix the last of the nullability annotation issues · imazen/imageflow-dotnet@f37db56

setup-msbuild can only be run on Windows runners

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: nowsprinting/[email protected]. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

Invoking members on dynamic types is not trimming-compatible. Types or members might have been removed by the trimmer.

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