Do not always push images (#56) #183

Job	Run time
build (linux/amd64, ubuntu-24.04, jammy, gcc, 12)	1m 54s
build (linux/amd64, ubuntu-24.04, noble, gcc, 13)	1m 29s
build (linux/amd64, ubuntu-24.04, noble, clang, 16)	2m 4s
build (linux/amd64, ubuntu-24.04, noble, gcc, 14)	2m 4s
build (linux/amd64, ubuntu-24.04, noble, clang, 17)	1m 53s
build (linux/amd64, ubuntu-24.04, noble, clang, 19)	1m 39s
build (linux/arm64, ubuntu-24.04-arm, jammy, gcc, 12)	1m 57s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 14)	2m 10s
build (linux/amd64, ubuntu-24.04, noble, clang, 18)	2m 9s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 16)	1m 58s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 13)	1m 44s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 18)	2m 22s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 19)	2m 25s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 17)	2m 11s
merge	0s
	27m 59s

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