small fix of image in LCU

Author: Adam Gitter

tutorials/advanced_tutorials/linear_combination_of_unitaries/linear_combination_of_unitaries.ipynb

@@ -65,9 +65,11 @@
    "id": "24bce818",
    "metadata": {},
    "source": [
-    "<div  style=\"text-align:center;\">\n",
-    "    <img src=\"https://docs.classiq.io/resources/LCU_circuit_new_visual_fin.png\">\n",
-    "</div>"
+    "<center>\n",
+    "<div style=\"text-align:center;\">\n",
+    "    <img src=\"https://docs.classiq.io/resources/LCU_circuit_new_visual_fin.png\" alt=\"LCU_blocks\" border=\"0\">\n",
+    "</div>\n",
+    "</center>"
    ]
   },
   {
@@ -90,7 +92,7 @@
     "\n",
     "\n",
     "<details markdown>\n",
-    "<summary markdown>How does the Within-Apply function work?</summary>\n",
+    "<summary markdown> How does the Within-Apply function work?</summary>\n",
     "\n",
     "The Within-Apply maps unitary operations of the kind $V = U^{-1}WU$ into the quantum circuit, given $U$ and $W$. \n",
     "\n",

tutorials/documentation_materials/classiq_101/phase_kickback/phase_kickback.ipynb

@@ -552,7 +552,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.11.7"
   },
   "vscode": {
    "interpreter": {