New types being "public" in Base causes tests to fail in 1.11.

[KristofferC]

# 1.11
julia> :UUID in propertynames(Base)
true

# 1.10
julia> :UUID in propertynames(Base)
false

Causes this test to fail:

StructTypes.jl/test/runtests.jl

Lines 263 to 281 in 47c4691

	@testset "Built in Julia types" begin
	# tuples containing (module, property)
	core_properties = map(x -> (Core,x), propertynames(Core))
	base_properties = map(x -> (Base,x), propertynames(Base))
	for (m, n) in [core_properties; base_properties]
	prop = getproperty(m,n)
	if typeof(prop) == DataType
	struct_type = StructTypes.StructType(prop)
	cond = prop <: builtin_type_mapping[StructTypes.StructType(prop)]
	if !cond
	@warn "Built in type $m.$n is incorrectly parsed as $(StructTypes.StructType(prop))"
	end
	@test cond
	end
	end
	end