refactor: set max methods to 1 for MTKBase

Author: AayushSabharwal

lib/ModelingToolkitBase/src/ModelingToolkitBase.jl

@@ -2,6 +2,11 @@
 $(DocStringExtensions.README)
 """
 module ModelingToolkitBase
+
+if isdefined(Base, :Experimental) && isdefined(Base.Experimental, Symbol("@max_methods"))
+    @eval Base.Experimental.@compiler_options max_methods=1
+end
+
 using PrecompileTools, Reexport
 @recompile_invalidations begin
     using StaticArrays