use PIP_CONSTRAINT #449

Job	Run time
bookworm armv7 / build	1m 25s
bullseye armv7 / build	1m 39s
bookworm armv7 / test (run_install_common.sh)	7m 27s
bookworm armv7 / test (run_install_faststartup.sh)	8m 1s
bookworm armv7 / test (run_install_webapp_local.sh)	7m 18s
bookworm armv7 / test (run_install_webapp_download.sh)	7m 25s
bookworm armv7 / test (run_install_libzmq_local.sh)	22m 6s
bullseye armv7 / test (run_install_common.sh)	6m 56s
bullseye armv7 / test (run_install_faststartup.sh)	7m 9s
bullseye armv7 / test (run_install_webapp_local.sh)	7m 45s
bullseye armv7 / test (run_install_webapp_download.sh)	6m 59s
bullseye armv7 / test (run_install_libzmq_local.sh)	21m 23s
bullseye armv7 / cleanup	0s
bookworm armv7 / cleanup	0s
	1h 45m 33s

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