Update rastrigin.jl

Author: arnavk23

src/Meta/rastrigin.jl

@@ -7,7 +7,7 @@ rastrigin_meta = Dict(
   :name => "rastrigin",
   :has_equalities_only => false,
   :has_inequalities_only => false,
-  :has_bounds => false,
+  :has_bounds => true,
   :has_fixed_variables => false,
   :objtype => :other,
   :contype => :unconstrained,