Update must gather image workflow

[Vincent056]

Let's fix the action for must gather, and add multi arch build to it.

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Vincent056

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/ComplianceAsCode/compliance-operator/blob/master/OWNERS)~~ [Vincent056] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[github-actions[bot]]

:robot: To deploy this PR, run the following command:

make catalog-deploy CATALOG_IMG=ghcr.io/complianceascode/compliance-operator-catalog:541

[github-actions[bot]]

:robot: To deploy this PR, run the following command:

make catalog-deploy CATALOG_IMG=ghcr.io/complianceascode/compliance-operator-catalog:541

[BhargaviGudi]

/lgtm

[github-actions[bot]]

:robot: To deploy this PR, run the following command:

make catalog-deploy CATALOG_IMG=ghcr.io/complianceascode/compliance-operator-catalog:541

[prb112]

Excellent