move venv creation after python3-tarantool installation #992

Job	Run time
pack_pip	16s
pack_deb	1m 6s
pack_rpm (fedora, 34)	1m 17s
pack_rpm (fedora, 35)	1m 2s
pack_rpm (fedora, 36)	1m 12s
run_tests_pip_package_windows	8m 33s
run_tests_pip_package_linux	2m 34s
run_tests_deb (debian, bookworm)	1m 24s
run_tests_deb (ubuntu, focal)	3m 21s
run_tests_deb (ubuntu, jammy)	3m 29s
run_tests_deb (ubuntu, noble)	1m 27s
run_tests_rpm (fedora, 34)	5m 1s
run_tests_rpm (fedora, 35)	5m 13s
run_tests_rpm (fedora, 36)	5m 14s
publish_deb	0s
publish_rpm	0s
publish_pip	0s
	41m 9s

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