Exclude test for TruffleRuby as well

Author: fbogsany

api/test/opentelemetry/context_test.rb

@@ -312,7 +312,7 @@
     end
 
     it 'is isolated with respect to Fiber-local storage manipulation' do
-      skip unless Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('3.2.0')
+      skip unless Fiber.current.respond_to?(:storage)
       OpenTelemetry::TestHelpers.with_test_logger do |log_stream|
         ctx = new_context
         Context.with_current(ctx) do