[Handbook] Update Repository Overview to mark meshery-smi-conformance-action as archived

[leecalcote]

Current Behavior

This repo is now archived - https://github.com/layer5io/meshery-smi-conformance-action

Desired Situation

The https://layer5.io/community/handbook/repository-overview page should reflect this archived status.

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[H-A-R-S-H-K]

@leecalcote can i work on this?

[Ashparshp]

@H-A-R-S-H-K, go ahead.

[leecalcote]

Thanks!