add RELEASE_NOTE generation script #901

Job	Run time
install-tparse	12s
split-test-files	15s
build (amd64)	14s
cleanup-runs	8s
test-upgrade-name	5s
tests (00)	15s
test-integration (00)	15s
tests (01)	23s
test-integration-multi-node (00)	16s
test-integration (01)	23s
tests (02)	22s
test-integration-multi-node (01)	16s
test-integration (02)	13s
tests (03)	25s
test-integration-multi-node (02)	21s
test-integration (03)	17s
test-integration-multi-node (03)	15s
test_integration_multi_node_report	5s
test-integration-report	6s
test-localnet-blocks	2m 50s
upload-coverage-report	8s
	7m 44s

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