fix: copy entire extension dir #12103

Job	Run time
build-and-push-cartographer-image	5m 37s
build-and-push-lighthouse-prover-subscriber-image	9m 48s
build-and-push-relayer-image	9m 38s
build-and-push-lighthouse-image	10m 55s
build-and-push-router-executor-image	8m 50s
build-and-push-router-publisher-image	10m 4s
build-and-push-router-subscriber-image	8m 27s
build-and-push-sdk-server-image	9m 1s
build-and-push-sequencer-publisher-image	9m 6s
build-and-push-sequencer-server-image	9m 14s
build-and-push-sequencer-subscriber-image	9m 45s
build-and-push-watcher-image	9m 5s
build-and-test	18m 6s
smoke-tests	2m 12s
terraform-infra	26s
terraform-services-backend-staging-testnet	21s
terraform-services-core-staging-testnet	29s
e2e-tests	6m 27s
terraform-services-backend-prod-testnet	1m 21s
terraform-services-core-prod-testnet	2m 5s
terraform-services-core-prod-mainnet	2m 7s
terraform-services-backend-prod-mainnet	1m 12s
	2h 24m 16s

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