Disable modernize omitzero analyzer for now

[erikgb]

This new analyzer generates a lot of new lint errors across our projects, and I think we need some time to discuss how to move forward with this.

See cert-manager/approver-policy#739 (comment) for context.

[cert-manager-prow]

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[Copilot]

Pull Request Overview

This PR adds configuration to disable the omitzero check in the modernize linter for Go code. The change is temporary, with a TODO comment indicating that this check should be enabled after the team discusses migration strategy from omitempty to omitzero.

• Added modernize settings section with omitzero check disabled
• Included a TODO comment explaining the reason for disabling and future action needed

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[inteon]

@erikgb I think the linter is very useful and we can fix the linter without making breaking changes (eg. dropping omitempty instead of replacing it with omitzero). WDYT?

[erikgb]

@erikgb I think the linter is very useful and we can fix the linter without making breaking changes (eg. dropping omitempty instead of replacing it with omitzero). WDYT?

Ok, let's try. 👍