chore(release): simplify changelog automation (#12769) #32706

Job	Run time
build / Build dependencies	11s
PDK tests	3m 47s
DB-less integration tests	16m 33s
Lint, Doc and Unit tests	4m 44s
Postgres integration - first tests	18m 56s
Postgres integration - second tests	23m 8s
Postgres plugins - first tests	7m 10s
Postgres plugins - second tests	12m 42s
Luacov stats aggregator	0s
	1h 27m 11s

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