Accelerated Python Tutorial: Fix link to slides in syllabi.

Author: brycelelbach

tutorials/accelerated-python/notebooks/syllabi/cuda_python__cupy_cudf_kernels__8_hours.ipynb

@@ -21,7 +21,7 @@
     "\n",
     "### Slides\n",
     "\n",
-    "| [PPTX](../slides/cuda_python__cupy_cudf_kernels__8_hours.pdf) | [PDF](../slides/cuda_python__cupy_cudf_kernels__8_hours.pdf) |\n",
+    "| [PPTX](../../slides/cuda_python__cupy_cudf_kernels__8_hours__r5.pptx) | [PDF](../../slides/cuda_python__cupy_cudf_kernels__8_hours__r5.pdf) |\n",
     "|-|-|\n",
     "\n",
     "### Introduction\n",