feat: ensure unpack_7zarchive closes the archive #1703

Job	Run time
Test on aarch64	8m 10s
Test Python 3.8 on ubuntu-22.04	1m 2s
Test Python 3.9 on ubuntu-22.04	2m 45s
Test slow test cases	55s
Test Python 3.10 on ubuntu-22.04	1m 26s
Test Python 3.11 on ubuntu-22.04	1m 1s
Test Python 3.12 on ubuntu-22.04	1m 48s
Test Python pypy-3.9 on ubuntu-22.04	2m 1s
Test Python 3.8 on windows-latest	1m 49s
Test Python 3.9 on windows-latest	3m 29s
Test Python 3.10 on windows-latest	2m 19s
Test Python 3.11 on windows-latest	2m 26s
Test Python 3.12 on windows-latest	4m 47s
Test Python 3.11 on macos-latest	58s
finish parallel build	0s
	34m 56s

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