Force emission of const return functions using new API

[gbaraldi]

This depends on JuliaLang/julia#57824 being merged to add a correct version check

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diff --git a/src/jlgen.jl b/src/jlgen.jl
index b5444a2..554df4b 100644
--- a/src/jlgen.jl
+++ b/src/jlgen.jl
@@ -625,7 +625,7 @@ function compile_method_instance(@nospecialize(job::CompilerJob))
         cgparams = (; lookup = Base.unsafe_convert(Ptr{Nothing}, lookup_cb), cgparams... )
     end
     if VERSION > v"1.13.0-DEV.248"
-        cgparams = (; force_emit_const = true , cgparams...)
+        cgparams = (; force_emit_const = true, cgparams...)
     end
     params = Base.CodegenParams(; cgparams...)