Add Ruby 3.4 to CI matrix #2239

Job	Run time
Run Tests (Ruby 2.7 on Linux)	4m 22s
Run Tests (Ruby 2.7 on Linux)	4m 22s
Run Tests (Ruby 2.7 on Windows)	12m 35s
Run Tests (Ruby 2.7 on Windows)	12m 35s
Run Tests (Ruby 3.3 on Linux)	4m 20s
Run Tests (Ruby 3.3 on Linux)	4m 20s
Unit Test with Ruby 3.4 (Ruby 3.4)	50s
Unit Test with Ruby 3.4 (Ruby 3.4)	1m 4s
Run Tests (Ruby 3.3 on Windows)	14m 23s
Run Tests (Ruby 3.3 on Windows)	14m 23s
Generate and Build a new site with Ruby 3.4 (Ruby 3.4)	39s
Generate and Build a new site with Ruby 3.4 (Ruby 3.4)	39s
Unit Test with JRuby (JRuby Edge)	57s
Unit Test with JRuby (JRuby Edge)	1m 1s
Smoke Test with JRuby (JRuby Edge)	1m 1s
Smoke Test with JRuby (JRuby Edge)	57s
Profile Docs Site (Ruby 2.7)	31s
Profile Docs Site (Ruby 2.7)	31s
Style Check (Ruby 2.7)	33s
Style Check (Ruby 2.7)	33s
	1h 20m 36s

Provide feedback