Merge pull request #587 from NHSDigital/dependabot/pip/flask-3.1.3

Bump flask from 3.1.2 to 3.1.3

Author: eddalmond1

poetry.lock

@@ -21,7 +21,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.dependencies]
 python = "^3.13"
-flask = {extras = ["async"], version = "^3.1.1"}
+flask = {extras = ["async"], version = "^3.1.3"}
 httpx = "^0.28.1"
 yarl = "^1.18.3"
 pydantic = "^2.12.5"