bump OptimizationMadNLP compat in docs

Author: SebastianM-C

docs/Project.toml

@@ -172,7 +172,7 @@ OptimizationGCMAES = "0.3.5"
 OptimizationIpopt = "1.1"
 OptimizationLBFGSB = "1.4"
 OptimizationMOI = "1.2"
-OptimizationMadNLP = "1.1"
+OptimizationMadNLP = "2"
 OptimizationManopt = "1.2"
 OptimizationMetaheuristics = "0.3.5"
 OptimizationMultistartOptimization = "0.3.4"