chore(changes): updated env details

Author: TomMonks

notebooks/changes.md

@@ -6,4 +6,5 @@
 
 *  `analysis.ipynb`: modified `plot_results_spread` to accept `DataFrame` parameter containing results rather than using a variable with notebook scope.
 * `environment.yaml`: patched to include channel. It now installs correctly
-* `environment.yaml`: added `nbqa` and `black` to auto-format notebooks.
+* `environment.yaml`: added `nbqa` and `black` to auto-format notebooks.
+* `environment.yaml`: added `jinja2` upgraded from 3.1.4 to 3.1.5 due to dependabot security flag.