fix: Fix typo when using the `HELM_BOOL_CREATE_NAMESPACE` variable in…

[afdecastro879]

… install_helm_chart and upgrade_helm_chart commands

Checklist

• [X] All new jobs, commands, executors, parameters have descriptions
• [X] Examples have been added for any significant new features
• [X] README has been updated, if necessary

Motivation, issues

There's a slight bug when using the create_namespace option

Description

Fixes #74

[fangpenlin]

we published a fork with some minor custom improvements for our needs, also included this bugfix here:

https://circleci.com/developer/orbs/orb/launchplatform/helm

please feel free to use it before this is merged in the upstream