Pin rust_eth_kzg to 0.5.1 #19128

Job	Run time
Check for 'skip-ci' label	1s
lockbud	13m 27s
check-code	9m 41s
check-msrv	5m 16s
target-branch-check	1s
beacon-chain-tests	36m 46s
op-pool-tests	15m 31s
release-tests-ubuntu	30m 39s
network-tests	18m 27s
release-tests-windows	39m 1s
basic-simulator-ubuntu	13m 35s
debug-tests-ubuntu	9m 21s
ef-tests-ubuntu	10m 30s
execution-engine-integration-ubuntu	14m 29s
fallback-simulator-ubuntu	10m 59s
slasher-tests	1m 45s
state-transition-vectors-ubuntu	2m 35s
cargo-udeps	7m 21s
cli-check	6m 30s
compile-with-beta-compiler	14m 4s
test-suite-success	3s
	4h 20m 2s

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