CI: Build on Ubuntu 20.04 for arm64 linux release #1991

Job	Run time
build-spidermonkey-win	15s
build-spidermonkey-unix (macos-14, 3.10)	18s
build-spidermonkey-unix (ubuntu-22.04, 3.10)	20s
sdist	28s
build-spidermonkey-unix (ubuntu-22.04-arm, 3.10)	18s
build-spidermonkey-unix (macos-13, 3.10)	22s
build-and-test (ubuntu-22.04, 3.8)	1m 30s
build-and-test (ubuntu-22.04, 3.11)	1m 54s
build-and-test (ubuntu-22.04, 3.13)	1m 29s
build-and-test (macos-13, 3.10)	3m 16s
build-and-test (ubuntu-22.04, 3.9)	1m 11s
build-and-test (ubuntu-22.04, 3.12)	1m 10s
build-and-test (macos-13, 3.8)	3m 17s
build-and-test (macos-14, 3.10)	1s
build-and-test (macos-14, 3.9)	3m 12s
build-and-test (macos-13, 3.12)	3m 23s
build-and-test (macos-13, 3.11)	3m 10s
build-and-test (macos-13, 3.13)	3m 20s
build-and-test (macos-14, 3.8)	3m 11s
build-and-test (macos-14, 3.13)	1s
build-and-test (macos-14, 3.11)	1s
build-and-test (ubuntu-22.04, 3.10)	1m 46s
build-and-test (macos-13, 3.9)	1s
build-and-test (macos-14, 3.12)	1s
build-and-test (windows-2022, 3.8)	3m 20s
build-and-test (windows-2022, 3.11)	3m 18s
build-and-test (windows-2022, 3.10)	3m 12s
build-and-test (windows-2022, 3.13)	3m 19s
build-and-test (windows-2022, 3.9)	3m 19s
build-and-test (ubuntu-22.04-arm, 3.8)	10s
build-and-test (ubuntu-22.04-arm, 3.9)	25s
build-and-test (ubuntu-22.04-arm, 3.13)	10s
build-and-test (ubuntu-22.04-arm, 3.12)	12s
build-and-test (ubuntu-22.04-arm, 3.11)	11s
build-and-test (windows-2022, 3.12)	3m 19s
build-and-test (ubuntu-22.04-arm, 3.10)	21s
publish	1s
publish-archive	1s
publish-nightly	1s
	55m 14s

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