V2.x - Nokogiri Upgrade Part 4 - Convert RubySaml::XML::Document to DocumentSigner #495

Job	Run time
rubocop	11s
Unit test (ubuntu-20.04, 3)	1m 47s
Unit test (ubuntu-20.04, 3.4)	1m 49s
Unit test (ubuntu-20.04, truffleruby)	3m 42s
Unit test (ubuntu-20.04, 3.3)	1m 42s
Unit test (ubuntu-20.04, 3.2)	1m 35s
Unit test (ubuntu-20.04, 3.1)	1m 46s
Unit test (macos-latest, 3.4)	1m 32s
Unit test (macos-latest, 3.3)	1m 33s
Unit test (ubuntu-20.04, jruby-9.4)	2m 27s
Unit test (macos-latest, 3)	1m 36s
Unit test (windows-latest, 3.1)	2m 47s
Unit test (macos-latest, 3.1)	1m 35s
Unit test (windows-latest, 3)	3m 22s
Unit test (macos-latest, 3.2)	1m 34s
Unit test (windows-latest, 3.2)	3m 5s
Unit test (windows-latest, 3.4)	3m 19s
Unit test (macos-latest, truffleruby)	3m 20s
Unit test (macos-latest, jruby-9.4)	2m 2s
Unit test (windows-latest, 3.3)	2m 52s
finish	0s
	43m 36s

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