feat: Count Bb lines weighted by complexity #6138

Job	Run time
setup / start-builder	1m 10s
setup / setup	2m 15s
noir-projects	11m 39s
yarn-project-formatting	17m 42s
build	19m 23s
bb-native-tests	10m 45s
bb-bench-binaries	11m 19s
setup-bench / start-builder	1m 13s
yarn-project-test	6m 5s
setup-bench / setup	27s
bb-bench	5m 5s
e2e (e2e-browser)	1m 39s
e2e (e2e-docs-examples)	1m 10s
e2e (e2e-sandbox-example)	1m 44s
e2e (e2e-tests)	17m 37s
e2e (flakey-e2e-tests)	13m 1s
e2e (guides-dapp-testing)	3m 7s
e2e (guides-writing-an-account-contract)	1m 12s
e2e (integration-l1-publisher)	2m 4s
e2e (pxe)	1m 2s
e2e (uniswap-trade-on-l1-from-l2)	5m 58s
merge-check	1s
notify	0s
	2h 15m 38s

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