Update ruby to version v265 #972

Job	Run time
build.20-true	19m 33s
build.22-true	17m 37s
build.20-false	5m 53s
build.22-false	4m 26s
unit.heroku-20.buildpack-clojure	4m 19s
unit.heroku-22.buildpack-clojure	4m 14s
unit.heroku-20.buildpack-go	3m 19s
unit.heroku-22.buildpack-go	3m 9s
unit.heroku-20.buildpack-gradle	3m 16s
unit.heroku-22.buildpack-gradle	3m 19s
unit.heroku-20.buildpack-java	3m 35s
unit.heroku-22.buildpack-java	3m 29s
unit.heroku-20.buildpack-multi	4m 22s
unit.heroku-22.buildpack-multi	3m 42s
unit.heroku-20.buildpack-nodejs	3m 33s
unit.heroku-22.buildpack-nodejs	3m 2s
unit.heroku-20.buildpack-null	4m 18s
unit.heroku-22.buildpack-null	2m 57s
unit.heroku-20.buildpack-php	3m 24s
unit.heroku-22.buildpack-php	2m 39s
unit.heroku-20.buildpack-play	5m 55s
unit.heroku-22.buildpack-play	3m 57s
unit.heroku-20.buildpack-python	4m 5s
unit.heroku-22.buildpack-python	3m 59s
unit.heroku-20.buildpack-ruby	3m 42s
unit.heroku-22.buildpack-ruby	4m 6s
unit.heroku-20.buildpack-scala	8m 33s
unit.heroku-22.buildpack-scala	8m 10s
unit.heroku-20.buildpack-static	4m 8s
unit.heroku-22.buildpack-static	3m 23s
	2h 34m 4s

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