west.yml: Update zephyr to 8bdf533d7647 #20297

Job	Run time
manifest-check	50s
LP64-WIP	4m 44s
build-linux (mnfst, tgl tgl-h)	6m 30s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 35s
build-linux (mnfst, mtl lnl)	5m 52s
build-linux (mnfst, ptl)	4m 47s
build-linux (zmain, mtl lnl)	5m 38s
build-linux (mnfst, --all)	14m 47s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 21s
build-linux (zmain, ptl)	4m 38s
build-windows (tgl tgl-h)	7m 43s
build-windows (ptl)	5m 59s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 28s
build-linux (zmain, tgl tgl-h)	5m 18s
build-linux (-d, mnfst, lnl)	4m 51s
build-windows (mtl lnl)	7m 13s
build-windows (-d, lnl)	6m 28s
compare-linux-win	29s
	1h 47m 11s

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