Sqlite slasher backend impl #13471

Job	Run time
cargo-fmt	11s
compile-with-beta-compiler	22m 7s
extract-msrv	8s
target-branch-check	3s
arbitrary-check	1m 38s
cargo-audit	22s
cargo-udeps	17m 3s
beacon-chain-tests	2m 13s
cargo-vendor	38s
check-benchmarks	7m 14s
check-msrv	10m 27s
clippy	7m 50s
debug-tests-ubuntu	18m 43s
dockerfile-ubuntu	25m 39s
doppelganger-protection-test	43m 43s
ef-tests-ubuntu	13m 55s
eth1-simulator-ubuntu	39m 44s
execution-engine-integration-ubuntu	22m 12s
merge-transition-ubuntu	38m 45s
no-eth1-simulator-ubuntu	40m 42s
op-pool-tests	23m 2s
release-tests-ubuntu	18m 33s
release-tests-windows	25m 2s
slasher-tests	3m 59s
state-transition-vectors-ubuntu	16m 38s
syncing-simulator-ubuntu	34m 4s
	7h 14m 35s

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