Enable backpressure handling by default

Author: jamescrosswell

src/Sentry/SentryOptions.cs

@@ -98,7 +98,10 @@ public bool IsGlobalModeEnabled
     /// Enables or disables automatic backpressure handling. When enabled, the SDK will monitor system health and
     /// reduce the sampling rate of events and transactions when the system is under load.
     /// </summary>
-    public bool EnableBackpressureHandling { get; set; } = false;
+    /// <remarks>
+    /// Defaults to true / enabled.
+    /// </remarks>
+    public bool EnableBackpressureHandling { get; set; } = true;
 
     /// <summary>
     /// This holds a reference to the current transport, when one is active.

test/Sentry.Tests/SentryOptionsTests.Integrations_default_ones_are_properly_registered.DotNet10_0.DotNet.verified.txt

@@ -5,6 +5,9 @@
       https://[email protected]:65535/2147483647
     ]
   },
+  {
+    Message: Starting BackpressureMonitor.
+  },
   {
     Message: Registering integration: '{0}'.,
     Args: [

test/Sentry.Tests/SentryOptionsTests.Integrations_default_ones_are_properly_registered.DotNet8_0.DotNet.verified.txt

@@ -5,6 +5,9 @@
       https://[email protected]:65535/2147483647
     ]
   },
+  {
+    Message: Starting BackpressureMonitor.
+  },
   {
     Message: Registering integration: '{0}'.,
     Args: [

test/Sentry.Tests/SentryOptionsTests.Integrations_default_ones_are_properly_registered.DotNet9_0.DotNet.verified.txt

@@ -5,6 +5,9 @@
       https://[email protected]:65535/2147483647
     ]
   },
+  {
+    Message: Starting BackpressureMonitor.
+  },
   {
     Message: Registering integration: '{0}'.,
     Args: [