Update .gitignore #12

Job	Run time
test (ubuntu-latest, 26.3, false)	37s
test (ubuntu-latest, 27.2, false)	34s
test (ubuntu-latest, 28.2, false)	38s
test (ubuntu-latest, 29.4, false)	1m 29s
test (macos-latest, 28.2, false)	1m 22s
test (macos-latest, 29.4, false)	3m 23s
test (windows-latest, 26.3, false)	16m 30s
test (windows-latest, 27.2, false)	8m 4s
test (windows-latest, 28.2, false)	6m 11s
test (windows-latest, 29.4, false)	11m 21s
test (ubuntu-latest, snapshot, true)	34s
test (macos-latest, snapshot, true)	1m 20s
test (windows-latest, snapshot, true)	17m 11s
	1h 9m 14s

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