style(scripts): Align gen-upgrade-proposal.sh with community forum release posts #31210

Job	Run time
pre_check / Check preconditions and cancel previous jobs	6s
deployment-test	30m 51s
test-docker-build	20m 0s
getting-started (link-cli/yarn)	5m 36s
getting-started (registry/yarn)	9m 38s
getting-started (registry/npm)	9m 37s
getting-started (registry/npx)	9m 31s
finalize-integration-result	3s
	1h 25m 22s

Provide feedback