Introduce reason for destroying runner

in order to return a specific error for OOM Killed Executions.

internal/runner/runner_mock.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.30.1. DO NOT EDIT.
+// Code generated by mockery v2.30.16. DO NOT EDIT.
 
 package runner
 
@@ -20,13 +20,13 @@ type RunnerMock struct {
 	mock.Mock
 }
 
-// Destroy provides a mock function with given fields: local
-func (_m *RunnerMock) Destroy(local bool) error {
-	ret := _m.Called(local)
+// Destroy provides a mock function with given fields: reason
+func (_m *RunnerMock) Destroy(reason DestroyReason) error {
+	ret := _m.Called(reason)
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func(bool) error); ok {
-		r0 = rf(local)
+	if rf, ok := ret.Get(0).(func(DestroyReason) error); ok {
+		r0 = rf(reason)
 	} else {
 		r0 = ret.Error(0)
 	}