Mark TransactionTracer constructors as internal

[jamescrosswell]

sentry-dotnet/src/Sentry/TransactionTracer.cs

Lines 192 to 215 in 40c5712

	// TODO: mark as internal in version 4
	/// <summary>
	/// Initializes an instance of <see cref="Transaction"/>.
	/// </summary>
	public TransactionTracer(IHub hub, string name, string operation)
	: this(hub, name, operation, TransactionNameSource.Custom)
	{
	}
	// TODO: mark as internal in version 4
	/// <summary>
	/// Initializes an instance of <see cref="Transaction"/>.
	/// </summary>
	public TransactionTracer(IHub hub, string name, string operation, TransactionNameSource nameSource)
	{
	_hub = hub;
	_options = _hub.GetSentryOptions();
	Name = name;
	NameSource = nameSource;
	SpanId = SpanId.Create();
	TraceId = SentryId.Create();
	Operation = operation;
	StartTimestamp = _stopwatch.StartDateTimeOffset;
	}