trivial: rename ExecutedTrees -> LedgerSummary #68793

Job	Run time
permission-check	8s
determine-docker-build-metadata	1s
file_change_determinator	13s
test-target-determinator	4m 14s
fetch-last-released-docker-image-tag	1m 29s
rust-images-consensus-only-perf-test	0s
rust-images-performance	0s
rust-images-failpoints	0s
rust-images / rust-all	12m 28s
forge-consensus-only-perf-test	0s
forge-framework-upgrade-test	0s
forge-multiregion-test	0s
cli-e2e-tests / run-cli-tests	9m 50s
faucet-tests-main / run-tests-main	0s
forge-e2e-test / forge	16m 40s
node-api-compatibility-tests / node-api-compatibility-tests	1m 55s
forge-compat-test / forge	17m 43s
	1h 4m 41s

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