Refactor static IServiceProvider initialization to use a thread-safe Lazy<IServiceProvider>, ensuring lazy creation and improved efficiency. Replace `Services` and `Provider` fields with `_staticConfigure` delegate for dynamic service collection configuration.
Update `BuildStaticClient` methods to use `Interlocked.CompareExchange` for safe initialization of `_staticConfigure`. Modify `Create` method to retrieve the provider via `LazyProvider`.
Mark `BuildStaticClient` and `Create` methods as obsolete, encouraging the use of local service collections. Adjust exception messages and documentation to reflect these changes.
