Update Luau to 0.716 (#969) #3589

Job	Run time
lute-check	3m 20s
build-docs-site	3m 13s
check-format	8s
lute-lint	3m 7s
run-lute-cxx-unittests (macos-latest, --enable-sanitizers)	3m 37s
run-lute-cxx-unittests (ubuntu-latest, --c-compiler gcc --cxx-compiler g++ --enable-sanitizers)	4m 28s
run-lute-cxx-unittests (ubuntu-latest, --c-compiler clang --cxx-compiler clang++ --enable-sanitiz...	4m 50s
run-lute-cxx-unittests (windows-latest, --c-compiler cl.exe --cxx-compiler cl.exe)	4m 27s
run-lutecli-luau-tests (ubuntu-latest, --c-compiler clang --cxx-compiler clang++ --enable-sanitiz...	10m 17s
run-lutecli-luau-tests (macos-latest, --enable-sanitizers, all)	3m 54s
run-lutecli-luau-tests (windows-latest, --c-compiler cl.exe --cxx-compiler cl.exe, all)	4m 26s
run-lutecli-luau-tests (ubuntu-latest, --c-compiler clang --cxx-compiler clang++ --enable-sanitiz...	3s
run-lutecli-luau-tests (ubuntu-latest, --c-compiler gcc --cxx-compiler g++ --enable-sanitizers, p...	4s
run-lutecli-luau-tests (ubuntu-latest, --c-compiler gcc --cxx-compiler g++ --enable-sanitizers, t...	8m 36s
Gated Commits	3s
	54m 33s

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