[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

intermediate/hierarchicahal_zarr_store.ipynb

@@ -206,15 +206,15 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1f7c865c",
+   "id": "17",
    "metadata": {},
    "source": [
     "## Excercise"
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "17",
+   "id": "18",
    "metadata": {},
    "source": [
     "::::{admonition} Exercise\n",