[stable-v2.12] rimage: fix resource leak #19554

Job	Run time
LP64-WIP	3m 44s
build-windows (imx8 imx8x imx8m imx8ulp)	7m 52s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	5m 56s
build-windows (mtl)	6m 20s
build-linux (mnfst, mtl)	4m 49s
manifest-check	58s
build-windows (tgl tgl-h)	6m 43s
build-linux (mnfst, lnl)	4m 32s
build-windows (-d, mtl)	6m 4s
build-linux (mnfst, tgl tgl-h)	5m 28s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 2s
build-linux (zmain, mtl)	3m 28s
build-linux (zmain, lnl)	4m 21s
build-linux (zmain, tgl tgl-h)	5m 29s
build-linux (-d, mnfst, mtl)	4m 45s
build-linux (mnfst, --all)	12m 37s
compare-linux-win	21s
	1h 29m 29s

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