Bump gix from 0.69.1 to 0.70.0 #8577

Job	Run time
build-linux-musl (nightly)	9m 57s
build (ubuntu-latest, nightly)	8m 33s
build-linux-musl (stable)	9m 47s
build (ubuntu-latest, stable)	2m 39s
build-linux-arm (nightly)	6m 57s
build-apple-x86 (nightly)	6m 57s
build-linux-musl (1.70)	10m 4s
build-linux-arm (stable)	7m 2s
build (ubuntu-latest, 1.70)	8m 43s
build-apple-x86 (stable)	2m 14s
build-linux-arm (1.70)	7m 21s
build (macos-latest, nightly)	6m 51s
build-apple-x86 (1.70)	12m 58s
Lints	3m 40s
build (macos-latest, stable)	3m 10s
build (macos-latest, 1.70)	13m 52s
Changelog Test	5s
udeps	7m 59s
build (windows-latest, nightly)	6m 43s
build (windows-latest, stable)	6m 23s
build (windows-latest, 1.70)	5m 36s
	2h 27m 31s

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