Remove outdated yq dependency from build-extensions-chart workflow

[Alexandre Alves]

Is your feature request related to a problem? Please describe.

Yq is part of ubuntu github runner preinstalled packages.
https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2204-Readme.md

Action is also outdated and outputs warning on release job:
https://github.com/rancher/kubewarden-ui/actions/runs/8628654143

Based on rancher/kubewarden-ui#693, we can remove it from the workflow build-extensions-chart

Describe the solution you'd like

Remove outdated yq dependency from the workflow build-extensions-chart

Describe alternatives you've considered

Additional context