[WIP] v2.x - Rework SP request UUID generation to remove mutable constant #414

Job	Run time
rubocop	16s
Unit test (ubuntu-20.04, 3)	1m 50s
Unit test (ubuntu-20.04, 3.1)	1m 42s
Unit test (ubuntu-20.04, 3.2)	1m 41s
Unit test (ubuntu-20.04, 3.3)	1m 44s
Unit test (ubuntu-20.04, jruby-9.4)	2m 33s
Unit test (ubuntu-20.04, truffleruby)	3m 46s
Unit test (macos-latest, 3)	1m 33s
Unit test (macos-latest, 3.1)	1m 33s
Unit test (macos-latest, 3.2)	1m 32s
Unit test (macos-latest, 3.3)	1m 32s
Unit test (macos-latest, jruby-9.4)	1m 58s
Unit test (macos-latest, truffleruby)	2m 48s
Unit test (windows-latest, 3)	3m 8s
Unit test (windows-latest, 3.1)	2m 47s
Unit test (windows-latest, 3.2)	2m 43s
Unit test (windows-latest, 3.3)	3m 6s
finish	0s
	36m 12s

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