Provide a 'Changelog' link on rubygems.org/gems/diff-lcs #103

Job	Run time
Ruby 2.4 - macos-latest	1m 11s
Ruby 2.5 - macos-latest	1m 32s
Ruby 2.6 - macos-latest	1m 14s
Ruby 2.7 - macos-latest	1m 0s
Ruby 3.0 - macos-latest	22s
Ruby 3.1 - macos-latest	32s
Ruby 3.2 - macos-latest	24s
Ruby 3.3 - macos-latest	38s
Ruby head - macos-latest	18s
Ruby jruby - macos-latest	1m 38s
Ruby jruby-head - macos-latest	2m 9s
Ruby truffleruby - macos-latest	1m 6s
Ruby 2.4 - ubuntu-20.04	25s
Ruby 2.5 - ubuntu-20.04	26s
Ruby 2.6 - ubuntu-20.04	29s
Ruby 2.7 - ubuntu-20.04	26s
Ruby 3.0 - ubuntu-20.04	16s
Ruby 3.1 - ubuntu-20.04	16s
Ruby 3.2 - ubuntu-20.04	15s
Ruby 3.3 - ubuntu-20.04	23s
Ruby head - ubuntu-20.04	14s
Ruby jruby - ubuntu-20.04	1m 52s
Ruby jruby-head - ubuntu-20.04	1m 46s
Ruby truffleruby - ubuntu-20.04	55s
Ruby mingw - windows-latest	1m 37s
Ruby mswin - windows-latest	1m 25s
Ruby jruby - windows-latest	3m 18s
Ruby head - ubuntu-22.04	11s
Ruby 3.1 - ubuntu-22.04	14s
Ruby 3.2 - ubuntu-22.04	12s
Ruby 3.3 - ubuntu-22.04	25s
	27m 9s

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