Merge pull request #163 from NHSDigital/dependabot/pip/packaging-25.0

Bump packaging from 24.1 to 25.0

Author: thomasleese

requirements.txt

@@ -24,7 +24,7 @@ matplotlib-inline==0.1.7
 nest-asyncio==1.6.0
 nhs-number==1.3.4
 openpyxl==3.1.5
-packaging==24.1
+packaging==25.0
 pandas==2.2.3
 parso==0.8.4
 pexpect==4.9.0