Error on releasing charts when unrelated change is pushed to main

[dianabarsan]

Apparently, the helm chart releaser job tries to release all charts on every push, but not all charts have updates and this results in an error:

Adding cr directory to PATH...
Packaging chart 'charts/cht-chart-4x'...
Successfully packaged chart in /home/runner/work/helm-charts/helm-charts/charts/cht-chart-4x and saved it to: .cr-release-packages/cht-chart-4x-1.2.0.tgz
Packaging chart 'charts/cht-user-management'...
Successfully packaged chart in /home/runner/work/helm-charts/helm-charts/charts/cht-user-management and saved it to: .cr-release-packages/cht-user-management-0.2.2.tgz
Releasing charts...
Error: error creating GitHub release cht-user-management-0.2.2: POST https://api.github.com/repos/medic/helm-charts/releases: 
422 Validation Failed [{Resource:Release Field:tag_name Code:already_exists Message:}]
Usage:
  cr upload [flags]

Example run:
https://github.com/medic/helm-charts/actions/runs/11659906035/job/32461227769