.Net: Increased timeout for integration tests (#10403)

Author: dmytrostruk

dotnet/src/IntegrationTests/BaseIntegrationTest.cs

@@ -22,11 +22,11 @@ protected IKernelBuilder CreateKernelBuilder()
                 o.Retry.ShouldHandle = args => ValueTask.FromResult(args.Outcome.Result?.StatusCode is HttpStatusCode.TooManyRequests);
                 o.CircuitBreaker = new HttpCircuitBreakerStrategyOptions
                 {
-                    SamplingDuration = TimeSpan.FromSeconds(40.0), // The duration should be least double of an attempt timeout
+                    SamplingDuration = TimeSpan.FromSeconds(60.0), // The duration should be least double of an attempt timeout
                 };
                 o.AttemptTimeout = new HttpTimeoutStrategyOptions
                 {
-                    Timeout = TimeSpan.FromSeconds(20.0) // Doubling the default 10s timeout
+                    Timeout = TimeSpan.FromSeconds(30.0)
                 };
             });
         });