Update integrator_utils.jl

Author: ChrisRackauckas

src/ensemblegpukernel/integrators/integrator_utils.jl

@@ -278,7 +278,7 @@ end
         callback::DiffEqGPU.GPUContinuousCallback,
         counter) where {AlgType <: GPUODEAlgorithm,
         IIP, S, T}
-    event_occurred, interp_index, prev_sign, prev_sign_index, event_idx = DiffEqBase.determine_event_occurrence(
+    event_occurred, interp_index, prev_sign, prev_sign_index, event_idx = DiffEqBase.determine_event_occurance(
         integrator,
         callback,
         counter)