remove old versions also for json graphs

[nunnatsa]

No description provided.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: nunnatsa
Once this PR has been reviewed and has the lgtm label, please assign tal-hason for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[github-actions]

⚠️ [shellcheck] _{reported by reviewdog 🐶}
Quote this to prevent word splitting. SC2046

[github-actions]

⚠️ [shellcheck] _{reported by reviewdog 🐶}
Quote this to prevent word splitting. SC2046

cnv-fbc/generate-fbc.sh

Line 122 in 1b200b3

./opm render $(opm_alpha_params "${frag}") "$from" -o yaml | \

[github-actions]

⚠️ [shellcheck] _{reported by reviewdog 🐶}
Quote this to prevent word splitting. SC2046

cnv-fbc/generate-fbc.sh

Line 166 in 1b200b3

./opm alpha render-template basic $(opm_alpha_params "${frag}") "${frag}"/graph.yaml > "${frag}"/catalog/kubevirt-hyperconverged/catalog.json

[github-actions]

⚠️ [shellcheck] _{reported by reviewdog 🐶}
Quote this to prevent word splitting. SC2046

cnv-fbc/generate-fbc.sh

Line 176 in 1b200b3

./opm alpha render-template basic $(opm_alpha_params "${frag}") "${frag}"/graph.yaml > "${frag}"/catalog/kubevirt-hyperconverged/catalog.json

[nunnatsa]

@tiraboschi - could you please review?