Add WTI rule to detect usermode crashes (#13574)

triage/config.yml

@@ -211,6 +211,15 @@ rules:
         capture:
             field1: error
 
+    - logline:
+        provider: Microsoft.Windows.Lxss.Manager
+        task: LinuxCrash
+      set:
+        name: linux-crash
+        capture:
+          field3: linux-crash-path
+          field6: linux-crash-process
+
     - logline:
         provider: Microsoft.Windows.Lxss.Manager
       set: wsl-service-logs
@@ -256,6 +265,11 @@ actions:
         debug_message: 'Detected user visible error: $error'
         skip_similar_issues: false
 
+    - foreach:
+        var: linux-crash
+        debug_message: 'Found evidence of linux crash: $linux-crash-process (dump: $linux-crash-path)'
+        skip_similar_issues: false
+
     - foreach:
         var: disk-attach-error
         debug_message: 'Found evidence of disk failing to attach. Error: $error, Path: $vhdpath'