build: bump Symbolics compat

Author: AayushSabharwal

Project.toml

@@ -64,7 +64,7 @@ SafeTestsets = "0.1"
 SciMLBase = "2.122.1"
 SciMLSensitivity = "7"
 SparseArrays = "1.10"
-Symbolics = "6"
+Symbolics = "6, 7"
 TerminalLoggers = "0.1"
 Test = "1.10"
 Tracker = "0.2"

lib/OptimizationMOI/Project.toml

@@ -32,7 +32,7 @@ OptimizationBase = {path = "../OptimizationBase"}
 HiGHS = "1"
 OptimizationBase = "3.3.1, 4"
 Test = "1.6"
-Symbolics = "6"
+Symbolics = "6, 7"
 AmplNLWriter = "1"
 LinearAlgebra = "1"
 Ipopt_jll = "300.1400"