add script to migrate macOS 15 Sequoia nixbld UIDs #99

Job	Run time
vm_tests	23m 4s
vm_tests	23m 4s
Check Cachix and Docker secrets present for installer tests	1s
Check Cachix and Docker secrets present for installer tests	1s
meson_build (ubuntu-latest)	7m 26s
meson_build (ubuntu-latest)	7m 26s
meson_build (macos-latest)	3m 43s
meson_build (macos-latest)	3m 43s
tests (ubuntu-latest)	4m 11s
tests (ubuntu-latest)	32m 28s
tests (macos-latest)	32m 43s
tests (macos-latest)	32m 43s
docker_push_image	0s
docker_push_image	0s
installer	0s
installer	47m 25s
installer_test	0s
installer_test (ubuntu-latest)	32s
installer_test (macos-latest)	1m 11s
	3h 39m 41s

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