Helper: fix pydantic v2 migration #2916

Job	Run time
python-tests	3m 36s
frontend-tests	2m 15s
deploy-docker-images (bootstrap, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	2m 44s
deploy-docker-images (core, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	10m 55s
deploy-raspberry-image	0s
	19m 30s

Provide feedback