[CRASH] fix crash on the GPU with {inc,set}_subtensor and broadcasting t...

...he value

NEWS.txt:
- crash fix: ix crash on the GPU with {inc,set}_subtensor and broadcasting the value (Frederic B., reported by Mehdi Mirza)
- crash fix: with GpuAdvancedSubtensor1 with 0 indices taken (Frederic B., reported by albermax)