test

Add nix version as part of the nix cache key #287

Job	Run time
test-action-with-sha256-checksum-failure	7s
test-action-with-sha256-checksum-on-mac	11s
test-action-with-sha256-checksum	6s
test-action (macos-13, true)	2m 37s
test-action-with-version	46s
test-action (macos-13, false)	2m 11s
test-action (macos-14, true)	1m 18s
test-action (macos-14, false)	1m 20s
test-action (macos-latest, true)	1m 7s
test-action (macos-latest, false)	1m 35s
test-action (ubuntu-latest, true)	30s
test-action (ubuntu-latest, false)	46s
	12m 34s

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