try to extend timeout for repeated refine test

for the following failure:
```
    1) Error:
  TestRefinement#test_refining_module_repeatedly:
  Test::Unit::ProxyError: execution of Test::Unit::CoreAssertions#assert_in_out_err expired timeout (10 sec)
  pid 56455 exit 0
  | ok
  |

      /Users/runner/work/ruby/ruby/src/test/ruby/test_refinement.rb:2258:in 'TestRefinement#test_refining_module_repeatedly'
```

0 files changed, 0 insertions, 0 deletions