userspace: proxy: allocate work item as cached #333

Job	Run time
LP64-WIP	3m 45s
manifest-check	2m 37s
build-linux (mnfst, lnl)	4m 42s
build-linux (mnfst, tgl)	4m 10s
build-linux (mnfst, mtl)	4m 6s
build-windows (mnfst, imx8 imx8x)	7m 4s
build-windows (mnfst, imx8m imx8ulp)	19m 2s
build-windows (mnfst, tgl)	9m 51s
build-linux (-d, mnfst, lnl)	4m 31s
build-linux (mnfst, wcl imx95)	4m 10s
build-windows (mnfst, ptl)	14m 4s
build-windows (mnfst, tgl-h)	9m 50s
build-windows (-d, mnfst, lnl)	8m 31s
build-linux (mnfst, imx8m imx8ulp)	3m 52s
build-linux (mnfst, imx8 imx8x)	3m 42s
build-windows (mnfst, mtl)	7m 40s
build-windows (mnfst, lnl)	9m 28s
build-linux (mnfst, tgl-h)	4m 20s
build-linux (mnfst, ptl)	4m 14s
compare-linux-win	3m 1s
	2h 12m 40s

Provide feedback