Usage of deprecated method `RubyProf.measure_mode`

a-nickol

When running the code with the current version of `ruby-prof`. The following information is printed out: ``` NOTE: RubyProf.measure_mode= is deprecated; use Profile#measure_mode= instead. It will be removed on or after 2023-06. ```

jmortiger

I get the same; full error is ``` NOTE: RubyProf.measure_mode= is deprecated; use RubyProf::Profile#measure_mode= instead. It will be removed on or after 2023-06. RubyProf.measure_mode= called from /usr/local/bundle/bundler/gems/rails-perftest-00adba5ca81d/lib/rails/perftest/active_support/testing/performance/ruby.rb:125 ``` [Link to cited line](https://github.com/rails/rails-perftest/blob/00adba5ca81d069c31bf2cbe813c54cfe77c8a62/lib/rails/perftest/active_support/testing/performance/ruby.rb#L125)