Merge pull request #454 from NHSDigital/dependabot/pip/e2e/performance/flask-3.1.3

Bump flask from 2.2.5 to 3.1.3 in /e2e/performance

Author: amitkr-22

e2e/performance/poetry.lock

@@ -10,7 +10,7 @@ python = "^3.9"
 locust = "^1.1.1"
 pyjwt = "^2.4.0"
 cryptography = "^43.0.0"
-flask = "2.2.5"
+flask = "3.1.3"
 
 [tool.poetry.group.dev.dependencies]
 flake8 = "^7.1.2"