west.yml: update zephyr to ef5cfd369f4a #23582

Job	Run time
manifest-check	2m 56s
LP64-WIP	3m 33s
build-linux (mnfst, ptl)	5m 32s
build-windows (mnfst, imx8m imx8ulp)	9m 23s
build-windows (mnfst, tgl-h)	9m 28s
build-windows (mnfst, tgl)	8m 36s
build-windows (mnfst, mtl)	8m 43s
build-windows (mnfst, imx8 imx8x)	9m 35s
build-linux (mnfst, mtl)	4m 7s
build-linux (mnfst, lnl)	4m 2s
build-linux (mnfst, tgl)	3m 53s
build-windows (mnfst, lnl)	7m 29s
build-windows (-d, mnfst, lnl)	9m 38s
build-linux (mnfst, imx8m imx8ulp)	4m 24s
build-linux (mnfst, wcl imx95)	5m 8s
build-linux (-d, mnfst, lnl)	4m 8s
build-linux (mnfst, tgl-h)	9m 4s
build-windows (mnfst, ptl)	8m 24s
build-linux (mnfst, imx8 imx8x)	4m 24s
compare-linux-win	28s
	2h 2m 55s

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