tests

feat: toNumeric and checkNumeric #371

Job	Run time
test_zig_nightly (ubuntu-latest)	1m 46s
test_zig_014 (macos-latest)	30s
test_zig_nightly (windows-latest)	1m 59s
test_zig_nightly (macos-latest)	2m 21s
test_zig_014 (windows-latest)	53s
test_cross (windows-latest)	1m 53s
test_cross (ubuntu-latest)	59s
test_zig_014 (ubuntu-24.04-arm)	20s
test_zig_nightly (ubuntu-24.04-arm)	2m 12s
test_cross (ubuntu-24.04-arm)	1m 2s
test_zig_014 (ubuntu-latest)	58s
test_cross (macos-latest)	1m 2s
	15m 55s

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