Reduce duplicated helper implementations #153136

Job	Run time
Build Release Artifact	2m 21s
Build assets for wordpress-develop	2m 13s
Compute current and next stable release branches	-6s
Bump version	-7s
Preflight release token	-10s
Publish to GitHub Container Registry	16s
Revert version bump if build failed	1s
Publish WordPress packages to npm	1s
Create Release Draft and Attach Asset	1s
	4m 30s

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