[TypeGen]: support external Zod schema overrides - #21

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Possible null reference argument for parameter 'OutputDir' in 'EmittedFile.EmittedFile(TypeTarget Target, string OutputDir, string FileName, string Content)'.

Possible null reference argument for parameter 'OutputDir' in 'EmittedFile.EmittedFile(TypeTarget Target, string OutputDir, string FileName, string Content)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'result' in 'bool TaskCompletionSource<object>.TrySetResult(object result)'.