Update compat to CxxWrap 0.16

Author: odow

Project.toml

@@ -10,7 +10,7 @@ MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 SDPA_jll = "7fc90fd6-dbef-5a6a-93f8-169f2a2e705b"
 
 [compat]
-CxxWrap = "0.14"
+CxxWrap = "0.16"
 LinearAlgebra = "<0.0.1, 1.6"
 MathOptInterface = "1"
 SDPA_jll = "=700.300.1701"