add RELEASE_NOTE generation script #908

Job	Run time
cleanup-runs	4s
install-tparse	10s
split-test-files	20s
build (amd64)	15s
test-upgrade-name	5s
test-integration (00)	26s
tests (00)	20s
test-integration-multi-node (00)	18s
tests (01)	23s
test-integration (01)	17s
test-integration-multi-node (01)	24s
tests (02)	13s
test-integration (02)	18s
test-integration-multi-node (02)	19s
tests (03)	20s
test-integration (03)	17s
test-integration-multi-node (03)	20s
test_integration_multi_node_report	9s
test-integration-report	9s
upload-coverage-report	5s
test-localnet-blocks	3m 14s
	8m 26s

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