upgraded to .NET 9.0 and some fixes#20

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bradyguyc wants to merge 5 commits intoLuca3317:mainfrom

Commits on Sep 21, 2024

Update target framework to .NET 9.0
brady
committed
Update target frameworks and enhance parameter handling
brady
committed

Commits on Oct 3, 2024

Refactor OpenLibraryClient for resilience and organization
brady
committed

Commits on May 26, 2025

Integrate OpenLibrary.NET and enhance error handling
bradyguyc
committed

Commits on Jun 9, 2025

Update solution and enhance OpenLibrary.NET integration
bradyguyc
committed