fix hinting of `unrealsdk.hooks.Type` members #96

Job	Run time
cache-clang	2m 31s
ruff	8s
build-ubuntu (clang-cross-ue3-x86-release)	14m 7s
pyright	9s
build-ubuntu (clang-cross-ue4-x64-release)	14m 15s
spelling	4s
build-ubuntu (llvm-mingw-ue3-x86-release)	1m 30s
build-ubuntu (llvm-mingw-ue4-x64-release)	1m 33s
build-windows (clang-ue3-x86-release)	3m 45s
clang-tidy (clang-ue3-x86-release)	4m 55s
build-windows (clang-ue4-x64-release)	3m 16s
clang-format	41s
clang-tidy (clang-ue4-x64-release)	4m 56s
build-windows (msvc-ue3-x86-release)	2m 31s
build-windows (msvc-ue4-x64-release)	2m 14s
	56m 35s

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