Merge pull request #459 from gprMax/dependabot/pip/notebook-7.2.2

Bump notebook from 7.1.2 to 7.2.2

requirements.txt

@@ -57,7 +57,7 @@ nbclient==0.10.0
 nbconvert==7.16.2
 nbformat==5.10.3
 nest-asyncio==1.6.0
-notebook==7.1.2
+notebook==7.2.2
 notebook_shim==0.2.4
 numpy==1.26.4
 overrides==7.7.0