[Consensus Observer] Add skeleton support for execution pool. #72438

Job	Run time
permission-check	2s
determine-docker-build-metadata	1s
test-target-determinator	6m 44s
file_change_determinator	12s
fetch-last-released-docker-image-tag	1m 31s
rust-images-consensus-only-perf-test	0s
rust-images-failpoints	0s
rust-images-performance	0s
rust-images / rust-all	13m 14s
forge-framework-upgrade-test	0s
forge-multiregion-test	0s
forge-consensus-only-perf-test	0s
faucet-tests-main / run-tests-main	0s
node-api-compatibility-tests / node-api-compatibility-tests	1m 24s
cli-e2e-tests / run-cli-tests	6m 59s
forge-compat-test / forge	13m 47s
forge-e2e-test / forge	13m 11s
	57m 5s

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