fix static_step AbstractUnitRange{UInt}

Author: chriselrod

src/ranges.jl

@@ -70,7 +70,7 @@ function known_step(::Type{T}) where {T}
         return known_step(parent_type(T))
     end
 end
-known_step(::Type{<:AbstractUnitRange{T}}) where {T} = one(T)
+known_step(::Type{<:AbstractUnitRange}) = 1
 
 """
     OptionallyStaticUnitRange(start, stop) <: AbstractUnitRange{Int}

test/ranges.jl

@@ -92,5 +92,7 @@
     @test_throws BoundsError getindex(ArrayInterface.OptionallyStaticStepRange(StaticInt(1), 2, 10), 0)
     @test_throws BoundsError getindex(ArrayInterface.OptionallyStaticUnitRange(StaticInt(1), 10), 11)
     @test_throws BoundsError getindex(ArrayInterface.OptionallyStaticStepRange(StaticInt(1), 2, 10), 11)
+
+    @test ArrayInterface.static_step(Base.OneTo(one(UInt))) === static(1)
 end