Fix disposable implementation

src/OllamaApiClient.cs

@@ -377,7 +377,7 @@ private async Task EnsureSuccessStatusCodeAsync(HttpResponseMessage response)
 	/// Releases the resources used by the <see cref="OllamaApiClient"/> instance.
 	/// Disposes the internal HTTP client if it was created internally.
 	/// </summary>
-	public void Dispose()
+	public void Cleanup()
 	{
 		if (_disposeHttpClient)
 			_client?.Dispose();
@@ -424,7 +424,7 @@ async Task<GeneratedEmbeddings<Embedding<float>>> IEmbeddingGenerator<string, Em
 		=> key is null ? this as TService : null;
 
 	/// <inheritdoc/>
-	void IDisposable.Dispose() => Dispose();
+	public void Dispose() => Cleanup();
 
 	#endregion
 

test/OllamaApiClientTests.cs

@@ -49,7 +49,7 @@ public void SetUp()
 	[OneTimeTearDown]
 	public void OneTimeTearDown()
 	{
-		_client.Dispose();
+		_client.Cleanup();
 	}
 
 	/// <summary>