CompatHelper: bump compat for Symbolics to 7, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -53,7 +53,7 @@ SimplexGridFactory = "2.4.0"
 SparseArrays = "1.9"
 SparseDiffTools = "^1.19,2"
 StaticArrays = "1.9.13"
-Symbolics = "4.2,5,6"
+Symbolics = "4.2,5,6, 7"
 Test = "1"
 TetGen = "2.0.0"
 TimerOutputs = "0.5.29"