chore(ci): Consolidate workflow into just commands #160

Job	Run time
Build Stable Images (aurora) / image (main, aurora, stable)	19m 56s
Build Stable Images (aurora) / image (main, aurora-dx, stable)	27m 45s
Build Stable Images (aurora) / image (nvidia, aurora, stable)	21m 43s
Build Stable Images (aurora) / image (nvidia, aurora-dx, stable)	29m 25s
Build Stable Images (bluefin) / image (main, bluefin, stable)	14m 58s
Build Stable Images (bluefin) / image (main, bluefin-dx, stable)	24m 57s
Build Stable Images (bluefin) / image (nvidia, bluefin, stable)	19m 14s
Build Stable Images (bluefin) / image (nvidia, bluefin-dx, stable)	26m 53s
Build Stable Images (bluefin) / Check all builds successful	5s
Build Stable Images (aurora) / Check all builds successful	4s
Generate Release	0s
Build Stable ISOs	0s
	3h 5m 0s

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