BUG: use a hashkey for correct version metadata cache #130

Job	Run time
Test against different Python versions (3.7, ubuntu-latest)	35s
Test against different Python versions (3.7, windows-latest)	2m 35s
Test against different Python versions (3.7, macos-latest)	43s
Test against different Python versions (3.8, ubuntu-latest)	25s
Test against different Python versions (3.8, windows-latest)	1m 46s
Test against different Python versions (3.8, macos-latest)	1m 0s
Test against different Python versions (3.9, ubuntu-latest)	33s
Test against different Python versions (3.9, windows-latest)	1m 13s
Test against different Python versions (3.9, macos-latest)	1m 15s
Test against different Python versions (3.10, ubuntu-latest)	30s
Test against different Python versions (3.10, windows-latest)	1m 5s
Test against different Python versions (3.10, macos-latest)	1m 16s
Test against different Python versions (3.11, ubuntu-latest)	29s
Test against different Python versions (3.11, windows-latest)	1m 17s
Test against different Python versions (3.11, macos-latest)	1m 8s
	15m 50s

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