refresh cross entropy figure

ch05/01_main-chapter-code/ch05.ipynb

@@ -593,7 +593,7 @@
    "id": "5bd24b7f-b760-47ad-bc84-86d13794aa54",
    "metadata": {},
    "source": [
-    "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/ch05_compressed/cross-entropy.webp\" width=400px>"
+    "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/ch05_compressed/cross-entropy.webp?123\" width=400px>"
    ]
   },
   {
@@ -2458,7 +2458,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.11"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,