Fix incorrect PEP reference in news entry for 69.0.0 #3625

Job	Run time
docs	44s
diffcov	6m 38s
test_cygwin (39, windows-latest)	15m 20s
test (3.8, ubuntu-latest)	4m 16s
test (3.8, macos-latest)	7m 38s
test (3.8, windows-latest)	12m 4s
test (3.11, ubuntu-latest)	4m 17s
test (3.11, macos-latest)	8m 53s
test (3.11, windows-latest)	10m 22s
test (3.12, ubuntu-latest)	6m 39s
test (3.12, macos-latest)	11m 24s
test (3.12, windows-latest)	13m 20s
test (3.9, ubuntu-latest)	4m 17s
test (3.10, ubuntu-latest)	4m 23s
test (pypy3.9, ubuntu-latest, stdlib)	6m 31s
test (ubuntu-latest, 3.10, stdlib)	4m 14s
integration-test	0s
check	4s
release	0s
	2h 1m 4s

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