chore(deps): update ublue-os/remove-unwanted-software action to v8 #672

Job	Run time
Build Stable Images (bluefin) / image (main, bluefin, stable)	15m 2s
Build Stable Images (bluefin) / image (main, bluefin-dx, stable)	24m 13s
Build Stable Images (bluefin) / image (nvidia, bluefin, stable)	19m 5s
Build Stable Images (bluefin) / image (nvidia, bluefin-dx, stable)	24m 41s
Build Stable Images (bluefin) / image (nvidia-open, bluefin, stable)	17m 21s
Build Stable Images (bluefin) / image (nvidia-open, bluefin-dx, stable)	24m 35s
Build Stable Images (bluefin) / Check all builds successful	2s
Generate Release / generate-release (stable)	52s
Generate Release / generate-release (stable-daily)	51s
	2h 6m 42s

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