Improve Emoji handling: #58

Job	Run time
Ruby 3.3 (windows-latest)	1m 15s
Ruby 3.3 (ubuntu-latest)	10s
Ruby 3.2 (windows-latest)	49s
Ruby 3.3 (macos-latest)	8s
Ruby 3.1 (windows-latest)	1m 24s
Ruby 3.2 (ubuntu-latest)	12s
Ruby 3.0 (windows-latest)	1m 13s
Ruby 3.2 (macos-latest)	9s
Ruby 2.7 (windows-latest)	3m 46s
Ruby 3.1 (ubuntu-latest)	5s
Ruby jruby (windows-latest)	1m 40s
Ruby 3.1 (macos-latest)	9s
Ruby 3.0 (ubuntu-latest)	5s
Ruby 3.0 (macos-latest)	15s
Ruby 2.7 (ubuntu-latest)	23s
Ruby 2.7 (macos-latest)	29s
Ruby jruby (ubuntu-latest)	34s
Ruby jruby (macos-latest)	25s
Ruby truffleruby (ubuntu-latest)	17s
Ruby truffleruby (macos-latest)	21s
	13m 49s

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