CompatHelper: bump compat for NLPModels to 0.19, (keep existing compat) (#84)

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>

Author: github-actions[bot]

Project.toml

@@ -9,7 +9,7 @@ SolverCore = "ff4d7338-4cf1-434d-91df-b86cb86fb843"
 
 [compat]
 Ipopt = "0.9, 1"
-NLPModels = "0.14, 0.15, 0.16, 0.17, 0.18"
+NLPModels = "0.14, 0.15, 0.16, 0.17, 0.18, 0.19"
 SolverCore = "0.1, 0.2"
 julia = "^1.6"