west.yml: update Zephyr to 689d1edee1d5 #650

Job	Run time
LP64-WIP	3m 47s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 57s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 5s
build-windows (mtl)	6m 56s
manifest-check	45s
build-linux (mnfst, mtl)	4m 14s
build-windows (tgl tgl-h)	7m 19s
build-linux (mnfst, lnl)	4m 28s
build-windows (-d, mtl)	6m 58s
build-linux (mnfst, tgl tgl-h)	5m 29s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	5m 41s
build-linux (zmain, mtl)	4m 11s
build-linux (zmain, lnl)	4m 9s
build-linux (zmain, tgl tgl-h)	5m 1s
build-linux (-d, mnfst, mtl)	4m 19s
build-linux (mnfst, --all)	10m 2s
compare-linux-win	33s
	1h 28m 54s

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