ci: bump ubuntu version #858

Job	Run time
pack_pip	14s
pack_rpm (fedora, 34)	1m 6s
pack_rpm (fedora, 35)	1m 3s
pack_deb	3m 30s
pack_rpm (fedora, 36)	1m 7s
run_tests_pip_package_windows	3m 0s
run_tests_pip_package_linux	2m 33s
run_tests_rpm (fedora, 34)	2m 12s
run_tests_rpm (fedora, 35)	2m 11s
run_tests_rpm (fedora, 36)	2m 12s
publish_pip	1s
publish_rpm	1s
run_tests_deb	1s
publish_deb	1s
	19m 12s

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