* eth/catalyst: disable heartbeat for simulated beacon node
Signed-off-by: jsvisa <delweng@gmail.com>

* eth/catalyst: update

* eth/catalyst: disable heartbeat for tester

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Signed-off-by: jsvisa <delweng@gmail.com>
Co-authored-by: Felix Lange <fjl@twurst.com>
Co-authored-by: Gary Rong <garyrong0905@gmail.com>