Reset CI cache for PyTorch (#3024)

Author: kwasd

.github/actions/setup-pytorch/action.yml

@@ -83,7 +83,7 @@ runs:
       uses: ./.github/actions/load
       env:
         # Increase this value to reset cache
-        CACHE_NUMBER: 14
+        CACHE_NUMBER: 15
       with:
         path: pytorch
         key: pytorch-$PYTORCH_CACHE_KEY-$CACHE_NUMBER