Fix infinite recursion in CorrBijector/VecCorrBijector

[penelopeysm]

Closes #320

With this PR:

julia> using Bijectors: CorrBijector, VecCorrBijector, inverse

julia> v = [1.0]; m = [[1.0]]
1-element Vector{Vector{Float64}}:
 [1.0]

julia> CorrBijector()(v)
ERROR: MethodError: no method matching cholesky_upper(::Vector{Float64})

julia> inverse(CorrBijector())(m)
ERROR: MethodError: no method matching AbstractFloat(::Type{Vector{Float64}})

julia> inverse(VecCorrBijector())(m)
ERROR: MethodError: no method matching AbstractFloat(::Type{Vector{Float64}})

Previously, all of these would fail with StackOverflowError due to infinite recursion between

Bijectors.jl/src/interface.jl

Lines 92 to 93 in 55501ae

	function transform(t::Transform, x)
	res = with_logabsdet_jacobian(t, x)

and

Bijectors.jl/src/interface.jl

Lines 213 to 216 in 55501ae

	function with_logabsdet_jacobian(ib::Inverse{<:Transform}, y)
	x = transform(ib, y)
	return x, -logabsdetjac(inverse(ib), x)
	end

or in the case of CorrBijector

Bijectors.jl/src/bijectors/corr.jl

Line 66 in 55501ae

with_logabsdet_jacobian(b::CorrBijector, x) = transform(b, x), logabsdetjac(b, x)

[torfjelde]

Lovely stuff @penelopeysm :)