Test

replace quansight-labs/setup-python with actions/setup-python #177

Job	Run time
Test python -m ziglang dlltool	35s
Build and test (windows-latest)	1m 6s
Test zig dlltool	32s
Clippy lints	18s
Check code formatting	6s
Build and test (ubuntu-latest)	45s
	3m 22s

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