Fix compat for ObjectiveLimit (#180)

Author: odow

Project.toml

@@ -1,6 +1,6 @@
 name = "HiGHS"
 uuid = "87dc4568-4c63-4d18-b0c0-bb2238e4078b"
-version = "1.7.2"
+version = "1.7.3"
 
 [deps]
 HiGHS_jll = "8fd58aa0-07eb-5a78-9b36-339c94fd15ea"
@@ -10,7 +10,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
 HiGHS_jll = "=1.5.1, =1.5.3, =1.6.0"
-MathOptInterface = "1.7"
+MathOptInterface = "1.20"
 PrecompileTools = "1"
 julia = "1.6"