new(ci): autogenerate release body. #1911

Job	Run time
fetch-version / fetch-version	29s
build-dev-minimal / build-and-test	5m 20s
build-dev / build-and-test	10m 59s
build-dev-packages / build-musl-package	50m 56s
build-dev-packages / build-modern-bpf-skeleton	3m 34s
build-dev-packages / build-wasm-package	8m 21s
build-dev-packages / build-packages	37m 56s
check-engine-version	7s
check-engine-checksum	4s
test-dev-packages (static) / test-packages	2m 9s
test-dev-packages / test-packages	3m 44s
	2h 3m 39s

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