refactor: use Path instead of PurePath #1811

Job	Run time
Test slow test cases	50s
Test Python 3.9 on ubuntu-22.04	1m 54s
Test Python 3.10 on ubuntu-22.04	55s
Test on aarch64	4m 38s
Test Python 3.11 on ubuntu-22.04	1m 3s
Test Python 3.12 on ubuntu-22.04	59s
Test Python 3.13-dev on ubuntu-22.04	2m 53s
Test Python pypy-3.9 on ubuntu-22.04	2m 39s
Test Python 3.9 on windows-latest	3m 0s
Test Python 3.10 on windows-latest	1m 34s
Test Python 3.11 on windows-latest	1m 37s
Test Python 3.12 on windows-latest	2m 8s
Test Python 3.13-dev on windows-latest	8m 17s
Test Python 3.11 on macos-latest	55s
finish parallel build	0s
	33m 22s

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