Corrected kernel name

Author: Langhaarzombie

tutorials-v5/time-evolution/026_v5_paper-nm_mcsolve.md

@@ -7,7 +7,7 @@ jupyter:
       format_version: '1.3'
       jupytext_version: 1.13.8
   kernelspec:
-    display_name: qutip-tutorials-v5
+    display_name: Python 3 (ipykernel)
     language: python
     name: python3
 ---