venv activation #359

Job	Run time
bullseye armv7 / build	4m 24s
bookworm armv7 / build	3m 0s
bookworm armv7 / test (run_install_common.sh)	13m 14s
bookworm armv7 / test (run_install_faststartup.sh)	10m 37s
bookworm armv7 / test (run_install_webapp_local.sh)	20m 43s
bookworm armv7 / test (run_install_webapp_download.sh)	14m 5s
bookworm armv7 / test (run_install_libzmq_local.sh)	25m 48s
bullseye armv7 / test (run_install_common.sh)	13m 33s
bullseye armv7 / test (run_install_faststartup.sh)	10m 38s
bullseye armv7 / test (run_install_webapp_local.sh)	22m 28s
bullseye armv7 / test (run_install_webapp_download.sh)	14m 36s
bullseye armv7 / test (run_install_libzmq_local.sh)	23m 53s
bullseye armv7 / cleanup	3s
bookworm armv7 / cleanup	2s
	2h 57m 4s

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