doc: Add zephyr/include to the Doxygen input #23808

Job	Run time
manifest-check	2m 55s
build-linux (mnfst, imx8 imx8x)	4m 33s
build-windows (mnfst, tgl-h)	8m 8s
build-linux (mnfst, tgl-h)	4m 4s
build-linux (mnfst, mtl)	4m 22s
build-linux (mnfst, ptl)	5m 46s
build-linux (mnfst, tgl)	4m 12s
build-linux (mnfst, lnl)	4m 22s
build-linux (-d, mnfst, lnl)	4m 19s
LP64-WIP	3m 40s
build-linux (mnfst, imx8m imx8ulp)	4m 20s
build-windows (mnfst, lnl)	8m 27s
build-linux (mnfst, wcl imx95)	5m 50s
build-windows (mnfst, tgl)	8m 19s
build-windows (-d, mnfst, lnl)	9m 31s
build-windows (mnfst, ptl)	9m 49s
build-windows (mnfst, imx8m imx8ulp)	10m 26s
build-windows (mnfst, imx8 imx8x)	10m 54s
build-windows (mnfst, mtl)	10m 7s
compare-linux-win	24s
	2h 4m 28s

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