Make max_blobs_per_block a config parameter #19631

Job	Run time
check-code	2m 51s
Check for 'skip-ci' label	1s
check-msrv	5m 13s
lockbud	14m 2s
target-branch-check	1s
op-pool-tests	21m 23s
release-tests-ubuntu	28m 30s
beacon-chain-tests	29m 14s
debug-tests-ubuntu	5m 40s
network-tests	24m 51s
release-tests-windows	29m 33s
slasher-tests	3m 52s
state-transition-vectors-ubuntu	8m 36s
basic-simulator-ubuntu	22m 1s
cargo-sort	15s
cargo-udeps	18s
cli-check	15m 31s
compile-with-beta-compiler	14m 57s
ef-tests-ubuntu	10m 39s
execution-engine-integration-ubuntu	10m 4s
fallback-simulator-ubuntu	20m 7s
test-suite-success	0s
	4h 27m 39s

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