docs: include PR numbers in release guide #18437

Job	Run time
check-translations	35s
platform-unit-test (ubuntu-latest)	4m 24s
compile	2m 10s
check-openrouter-api-key	3s
platform-unit-test (windows-latest)	8m 2s
knip	55s
integration-test	3m 32s
	19m 41s

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