Raise SymbolicUtils floor for minimum dependency tests (#479)

Co-authored-by: ChrisRackauckas-Claude <accounts@chrisrackauckas.com>

Author: ChrisRackauckas-Claude

Project.toml

@@ -36,7 +36,7 @@ SciMLBase = "2, 3"
 SciMLStructures = "1.7.0"
 SciMLTesting = "2.1"
 SymbolicIndexingInterface = "0.3.39"
-SymbolicUtils = "4"
+SymbolicUtils = "4.38.1"
 Symbolics = "7.4.1"
 Test = "1"
 julia = "1.10"

test/analog.jl

@@ -522,6 +522,7 @@ end
     @mtkcompile sys = HeatingDiodeTest()
     prob = ODEProblem(sys, Pair[], (0.0, 10.0))
     sol = solve(prob, Rodas4())
+    @test SciMLBase.successful_retcode(sol)
 
     # Extract solutions for testing
     diode_voltage = sol[sys.heating_diode.v]