KIP-1278 — Configurable Retry Mechanism for KafkaStatusBackingStore

Discussion Kafka 4.3 Connect

Adds configurable retry parameters (max retries, backoff, timeout) to KafkaStatusBackingStore in Kafka Connect for handling failures when writing connector and task status to the internal status topic. Currently, some write paths block indefinitely on broker unavailability while others silently drop status updates, making connector state persistence unreliable and unobservable during broker outages.

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