Bump to NLPModels 0.21

Author: tmigot

Project.toml

@@ -28,7 +28,7 @@ JSOSolvers = "0.10, 0.11"
 JuMP = "1"
 LLSModels = "0.3.6"
 LinearOperators = "2"
-NLPModels = "0.19, 0.20"
+NLPModels = "0.19, 0.20, 0.21"
 NLPModelsJuMP = "0.11, 0.12"
 NLPModelsModifiers = "0.6.2, 0.7"
 Percival = "0.6, 0.7"