fix: bigint corruption in lmdb #5661

Job	Run time
setup / start-builder	1m 3s
setup / setup	47s
yarn-project-formatting	5m 26s
bb-native-tests	14s
yarn-project-test	5m 24s
build	7m 13s
bb-bench-binaries	16s
setup-bench / start-builder	1m 1s
setup-bench / setup	25s
bb-bench	13s
e2e (e2e-browser)	1m 34s
e2e (e2e-docs-examples)	1m 9s
e2e (e2e-sandbox-example)	1m 37s
e2e (e2e-tests)	10m 28s
e2e (flakey-e2e-tests)	4m 12s
e2e (guides-dapp-testing)	3m 5s
e2e (guides-writing-an-account-contract)	1m 9s
e2e (integration-l1-publisher)	2m 7s
e2e (pxe)	49s
e2e (uniswap-trade-on-l1-from-l2)	6m 3s
merge-check	1s
notify	0s
	54m 16s

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