cleanup changelog #8182

Job	Run time
build-apple-x86 (nightly)	1m 37s
build-linux-musl (nightly)	3m 8s
build-linux-arm (nightly)	5m 16s
build-apple-x86 (stable)	1m 31s
build (ubuntu-latest, nightly)	2m 0s
build-linux-musl (stable)	2m 54s
build-apple-x86 (1.70)	1m 45s
build-linux-arm (stable)	5m 24s
build (ubuntu-latest, stable)	2m 15s
build-linux-musl (1.70)	2m 57s
build-linux-arm (1.70)	5m 34s
build (ubuntu-latest, 1.70)	2m 6s
Lints	40s
build (macos-latest, nightly)	2m 36s
Changelog Test	5s
build (macos-latest, stable)	2m 21s
udeps	2m 5s
build (macos-latest, 1.70)	2m 54s
build (windows-latest, nightly)	6m 59s
build (windows-latest, stable)	5m 1s
build (windows-latest, 1.70)	4m 59s
	1h 4m 7s

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