Forbid changing home directory #2457

Job	Run time
check-identity	1s
build-yml-check / check	4s
authorize-internal	1s
authorize-external	0s
authorize	1s
build (x86_64-linux, doc)	1m 29s
build (aarch64-linux, nvidia-jetson-orin-nx-debug)	4m 22s
build (aarch64-linux, nvidia-jetson-orin-agx-debug)	4m 28s
build (x86_64-linux, generic-x86_64-debug)	5m 18s
build (x86_64-linux, lenovo-x1-carbon-gen11-debug)	14m 54s
build (x86_64-linux, microchip-icicle-kit-debug-from-x86_64)	2m 52s
build (x86_64-linux, nvidia-jetson-orin-nx-debug-from-x86_64)	5m 46s
build (x86_64-linux, nvidia-jetson-orin-agx-debug-from-x86_64)	6m 12s
	45m 28s

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