add instruction to update CITATION.cff after bugfix release #11520

Job	Run time
Code style checks	14s
PEP 517	20s
Security audit	19s
Python 3.11 with coverage checking, all deps, and remote data	33m 37s
OS X - Python 3.12	9m 4s
Windows - Python 3.10	20m 50s
Linux - Python 3.13	14m 13s
Python 3.13 with latest dev versions of key dependencies, and remote data	28m 21s
Python 3.11 with stable versions of dependencies and Roman	12m 43s
Upload Coverage	7s
	1h 59m 48s

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