CompatHelper: bump compat for Optim to 2, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -1,7 +1,7 @@
 name = "ReactiveMP"
 uuid = "a194aa59-28ba-4574-a09c-4a745416d6e3"
-authors = ["Dmitry Bagaev <d.v.bagaev@tue.nl>", "Albert Podusenko <a.podusenko@tue.nl>", "Bart van Erp <b.v.erp@tue.nl>", "Ismail Senoz <i.senoz@tue.nl>"]
 version = "5.6.4"
+authors = ["Dmitry Bagaev <d.v.bagaev@tue.nl>", "Albert Podusenko <a.podusenko@tue.nl>", "Bart van Erp <b.v.erp@tue.nl>", "Ismail Senoz <i.senoz@tue.nl>"]
 
 [deps]
 BayesBase = "b4ee3484-f114-42fe-b91c-797d54a0c67e"
@@ -63,7 +63,7 @@ LazyArrays = "0.21, 0.22, 1, 2"
 LinearAlgebra = "1.9"
 MacroTools = "0.5"
 MatrixCorrectionTools = "1.2.0"
-Optim = "1.0.0"
+Optim = "1.0.0, 2"
 Optimisers = "0.2, 0.3, 0.4"
 PolyaGammaHybridSamplers = "1.2.6"
 PositiveFactorizations = "0.2"