feat: script to create appbundles on macOS #182

Job	Run time
amd64 (Ubuntu-20, g++)	2m 27s
amd64 (Ubuntu-22, g++)	1m 23s
amd64 (Debian-11, g++)	1m 29s
amd64 (Debian-12, g++)	1m 41s
amd64 (Debian-Testing, g++)	1m 24s
amd64 (Debian-Experimental, g++)	1m 39s
amd64 (Debian-11, clang++, debian:bullseye, clang)	1m 44s
amd64 (Debian-12, clang++, debian:bookworm, clang)	1m 38s
amd64 (Debian-Testing, clang++, debian:testing, clang)	1m 44s
amd64 (Debian-Experimental, clang++, debian:experimental, clang)	1m 37s
	16m 46s

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