Fix Ruby 3.3 warning for ostruct removal

Author: marcotc

spec/datadog/core/environment/execution_spec.rb

@@ -71,7 +71,7 @@
             f.close
 
             out, = Open3.capture2e('pry', '-f', '--noprompt', f.path)
-            expect(out).to eq('ACTUAL:true')
+            expect(out).to include('ACTUAL:true')
           end
         end
       end