west.yml: update Zephyr to 97a97c744a29 #346

Job	Run time
build-windows (imx8 imx8x imx8m imx8ulp)	7m 36s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	5m 38s
build-windows (mtl)	5m 51s
build-linux (mnfst, mtl)	4m 10s
build-windows (tgl tgl-h)	6m 42s
build-linux (mnfst, lnl)	4m 15s
build-windows (-d, mtl)	5m 31s
build-linux (mnfst, tgl tgl-h)	5m 12s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	5m 40s
LP64-WIP	3m 38s
build-linux (zmain, mtl)	4m 11s
build-linux (zmain, lnl)	3m 58s
manifest-check	1m 1s
build-linux (zmain, tgl tgl-h)	4m 49s
build-linux (-d, mnfst, mtl)	4m 41s
compare-linux-win	25s
	1h 13m 18s

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