Minor fixes to Random.seed! docstring (#45382)

stdlib/Random/src/Random.jl

@@ -402,33 +402,33 @@ shared task-local generator.
 julia> Random.seed!(1234);
 
 julia> x1 = rand(2)
-2-element Array{Float64,1}:
- 0.590845
- 0.766797
+2-element Vector{Float64}:
+ 0.32597672886359486
+ 0.5490511363155669
 
 julia> Random.seed!(1234);
 
 julia> x2 = rand(2)
-2-element Array{Float64,1}:
- 0.590845
- 0.766797
+2-element Vector{Float64}:
+ 0.32597672886359486
+ 0.5490511363155669
 
 julia> x1 == x2
 true
 
-julia> rng = MersenneTwister(1234); rand(rng, 2) == x1
+julia> rng = Xoshiro(1234); rand(rng, 2) == x1
 true
 
-julia> MersenneTwister(1) == Random.seed!(rng, 1)
+julia> Xoshiro(1) == Random.seed!(rng, 1)
 true
 
 julia> rand(Random.seed!(rng), Bool) # not reproducible
 true
 
-julia> rand(Random.seed!(rng), Bool)
+julia> rand(Random.seed!(rng), Bool) # not reproducible either
 false
 
-julia> rand(MersenneTwister(), Bool) # not reproducible either
+julia> rand(Xoshiro(), Bool) # not reproducible either
 true
 ```
 """