Bug description

Whenever ConfigureAwait is in use, some rules do not trigger.

Repro steps

using var client = new HttpClient();
var response = client.GetStringAsync("https://httpbin.org/headers").ConfigureAwait(false).GetAwaiter().GetResult();

Does not trigger.

Expected behavior

Rule to trigger when ConfigureAwait is in use

Actual behavior

What happened instead of what you expected.

• Version used: 17.11.20
• Application (if applicable):

Additional context

Add any other context about the problem here.