[3.13] gh-125832: Clarify comment for inlined comprehensions as per PEP-709 (gh-126322) (gh-126344)

* gh-125832: Clarify comment for inlined comprehensions as per PEP-709 (#126322)

* Fix comprehensions comment to inlined by pep 709

* Update spacing

Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>

* Add reference to PEP 709

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Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>
(cherry picked from commit 868bfcc02ed42a1042851830b79c6877b7f1c7a8)

* Add space

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Co-authored-by: rimchoi <hyerimc858@gmail.com>