[3.13] gh-127805: Clarify Formatter initialization in logging.rst. (GH-127850)

[miss-islington]

(cherry picked from commit 5d66c55)

Co-authored-by: UV [email protected]

• Issue: Logger formatter class initialization state clarification  #127805

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📚 Documentation preview 📚: https://cpython-previews--130392.org.readthedocs.build/

[terryjreedy]

@hugovk @Uvi-12, [email protected], signed the CLA from the 3.12 backport, and I merged it. However, the CLA bot does not recognize that signature for this backport. I deleted the button above trying to get the bot to recheck. Did not work. Any way to get recheck? Anything 'Uvi' should do?

[terryjreedy]

@hugovk Close & open to see if bot will recheck CLA.

EDIT: this worked. However, ABI changed check failed 3 times. Happened (once) with other PRs. Real nuisance. Disable? Leaving this to you.

[hugovk]

I've clicked the "Update branch" button.

The "change detection" job had failed, because we use a Python script to do it instead of a load of complicated greps. But it means we need to update some older PRs by clicking this button.

[hugovk]

Thanks all!