adding ignore (#340)

* adding ignore

* auto patch increment

* Revert "adding ignore"

This reverts commit 06f863e.

* redoing ignore without updating dependencies

* re-do dependency upgrades

---------

Co-authored-by: ras-rm-pr-bot <rasrm.team@ons.gov.uk>

Makefile

@@ -8,9 +8,9 @@ build-kubernetes:
 	docker build -f _infra/docker/Dockerfile .
 
 lint:
-# remove -i 70624 once flask-cors is updated beyond v4.0.1 to solve vulnerability
+# remove -i 70624 and -i 72731 once flask-cors is updated beyond v5.0.0 to solve vulnerability
 # remove -i 70612 once jinja2 is updated beyond v3.1.4 to solve vulnerability
-	pipenv check ./application ./tests -i 70612 -i 70624
+	pipenv check ./application ./tests -i 70612 -i 70624 -i 72731
 	pipenv run isort .
 	pipenv run black --line-length 120 .
 	pipenv run flake8 ./application ./tests