feat: Make GenericPath.normalize return itself #542

Job	Run time
Dub Tests (ubuntu-latest, dmd-latest, x86_64)	3m 13s
Dub Tests (ubuntu-latest, ldc-latest, x86_64)	3m 37s
Dub Tests (windows-latest, dmd-latest, x86_64)	3m 52s
Dub Tests (windows-latest, ldc-latest, x86_64)	4m 49s
Dub Tests (macOS-13, dmd-latest, x86_64)	9m 14s
Dub Tests (macOS-13, ldc-latest, x86_64)	10m 28s
Dub Tests (ubuntu-latest, dmd-2.096.1, x86_64)	3m 12s
Dub Tests (windows-latest, dmd-2.092.0, x86_64)	4m 3s
Dub Tests (windows-latest, dmd-2.092.0, x86_mscoff)	4m 33s
Dub Tests (windows-latest, dmd-2.091.1, x86_64)	4m 5s
Dub Tests (windows-latest, ldc-1.20.1, x86_64)	4m 59s
	56m 5s

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