bump helm chart version to 0.4.4

[jarededwards]

Description

bump helm chart version to 0.4.4

Why is this needed

there were updates to hook os repository in the last release which updates the hook os download configmap

Fixes: #

How Has This Been Tested?

leveraged my branch to vagrant up and vagrant up machine1 to see the implementation through to success. helm install command from setup.sh successful download of hook successful workflow execution

How are existing users impacted? What migration steps/scripts do we need?

n/a

Checklist:

I have:

• [ ] updated the documentation and/or roadmap (if required)
• [ ] added unit or e2e tests
• [ ] provided instructions on how to upgrade

[jacobweinstock]

Thanks, @jarededwards . Mind fixing the DCO signoff, please?

https://github.com/tinkerbell/org/blob/main/DCO.md https://github.com/src-d/guide/blob/master/developer-community/fix-DCO.md