test

Exclude Ruby 2.5 on macOS from CI #98

Job	Run time
ruby-versions / Generate Ruby versions	3s
test (2.5, ubuntu-latest)	41s
test (2.5, windows-latest)	2m 43s
test (2.6, ubuntu-latest)	43s
test (2.6, macos-latest)	47s
test (2.6, windows-latest)	3m 43s
test (2.7, ubuntu-latest)	41s
test (2.7, macos-latest)	42s
test (2.7, windows-latest)	3m 31s
test (3.0, ubuntu-latest)	17s
test (3.0, macos-latest)	15s
test (3.0, windows-latest)	2m 5s
test (3.1, ubuntu-latest)	20s
test (3.1, macos-latest)	17s
test (3.1, windows-latest)	1m 45s
test (3.2, ubuntu-latest)	30s
test (3.2, macos-latest)	14s
test (3.2, windows-latest)	1m 33s
test (3.3, ubuntu-latest)	19s
test (3.3, macos-latest)	15s
test (3.3, windows-latest)	1m 47s
test (head, ubuntu-latest)	19s
test (head, macos-latest)	16s
test (head, windows-latest)	1m 49s
test (jruby, ubuntu-latest)	1m 15s
test (jruby, macos-latest)	1m 3s
test (jruby, windows-latest)	2m 41s
test (jruby-head, ubuntu-latest)	1m 26s
test (jruby-head, macos-latest)	1m 6s
test (jruby-head, windows-latest)	2m 10s
test (windows-latest, ucrt)	1m 25s
test (windows-latest, mingw)	1m 24s
test (windows-latest, mswin)	3m 39s
	41m 44s

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