extend terminate-process.yml to include exit_group #970 (#991)

Author: dhruvak001

host-interaction/process/terminate/terminate-process.yml

@@ -23,6 +23,9 @@ rule:
       - api: System.Windows.Forms.Application::Exit
       - api: exit
       - api: Exit
+      - and:
+        - os: linux
+        - api: exit_group
       - and:
         - optional:
           - match: open process