Fix: whatsnew config instructions #2443

Job	Run time
Labels	20s
Update CHANGELOG (on release)	0s
Create changelog fragment	23s
Doc style	14s
Code style	1m 2s
Doc building	3m 50s
Build and smoke tests (ubuntu-latest, 3.10, false)	22s
Build and smoke tests (ubuntu-latest, 3.11, false)	21s
Build and smoke tests (ubuntu-latest, 3.12, false)	22s
Build and smoke tests (windows-latest, 3.10, false)	1m 24s
Build and smoke tests (windows-latest, 3.11, false)	2m 2s
Build and smoke tests (windows-latest, 3.12, false)	1m 31s
Build library	1s
Doc dev version deploy	1s
Release project to private PyPI, public PyPI and GitHub	1s
Doc stable version deploy	1s
	11m 55s

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