[improve](streaming-job) support cdc_client JVM opts and adopt externally-managed cdc_client#63898

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JNSimba:cdc-client-adopt-external

Commits on May 29, 2026

[improve](streaming-job) support cdc_client JVM opts and adopt externally-managed cdc_client
JNSimba
committed
[improve](streaming-job) fix post-fork heap allocation safety; hardcode -XX:+ExitOnOutOfMemoryError
JNSimba
committed
[improve](streaming-job) make cdc_client_java_opts immutable to avoid concurrent-read UB
JNSimba
committed