ci: bump ubuntu runner versions #817

Job	Run time
pack_deb	22s
pack_pip	25s
pack_rpm (fedora, 34)	1m 20s
pack_rpm (fedora, 35)	1m 8s
pack_rpm (fedora, 36)	1m 12s
run_tests_deb	0s
publish_deb	0s
run_tests_pip_package_windows	8m 38s
run_tests_pip_package_linux	2m 53s
run_tests_rpm (fedora, 34)	5m 27s
run_tests_rpm (fedora, 35)	4m 54s
run_tests_rpm (fedora, 36)	5m 45s
publish_rpm	0s
publish_pip	0s
	32m 4s

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