nats.EncodedConn is deprecated: Encoded connections are no longer supported.

### Current Behavior
Check failure on line 28 in broker/nats/nats.go

SA1019: nats.EncodedConn is deprecated: Encoded connections are no longer supported. (staticcheck)

See https://github.com/meshery/meshkit/actions/runs/13266413220/job/37034957231?pr=675#step:4:24

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