bugfix: specify helm_stable_repo_url and default to https://charts.helm.sh/stable

Depends-On: Ic29d7756d74ee7289ce2e37af6f74ac0ebbf66be
Signed-off-by: Cian Johnston <cian.johnston@est.tech>
Change-Id: Iefefd18e3b4abcc6b58955cb94f90765fad7bd46
3 files changed