Add renovate to the project

Feature description

Add Renovate

Use cases

Automatic update of the container image digest in the hardening manifest

Benefits

Automated image updates

Requirements

None

Links / references

https://docs-ironbank.dso.mil/hardening/automating-updates/

Split from https://repo1.dso.mil/dsop/dccscr/-/issues/1995

Tasks

• Feature has been implemented

Please read the Iron Bank Documentation for more info