Test sentry-resque without Rails, fix `constantize` issue (#2248) #2944

Job	Run time
ruby-versions / Generate Ruby versions	3s
Ruby 2.4 & Rack 2, options - null	54s
Ruby 2.4 & Rack 3, options - null	56s
Ruby 2.5 & Rack 2, options - null	1m 1s
Ruby 2.5 & Rack 3, options - null	54s
Ruby 2.6 & Rack 2, options - null	1m 1s
Ruby 2.6 & Rack 3, options - null	1m 2s
Ruby 2.7 & Rack 2, options - null	1m 1s
Ruby 2.7 & Rack 3, options - null	56s
Ruby 3.0 & Rack 2, options - null	50s
Ruby 3.0 & Rack 3, options - null	44s
Ruby 3.1 & Rack 2, options - null	54s
Ruby 3.1 & Rack 3, options - null	48s
Ruby 3.2 & Rack 2, options - null	49s
Ruby 3.2 & Rack 3, options - null	45s
Ruby 3.3 & Rack 2, options - null	53s
Ruby 3.3 & Rack 3, options - null	53s
Ruby head & Rack 2, options - null	47s
Ruby head & Rack 3, options - null	42s
Ruby jruby & Rack 2, options - null	59s
Ruby jruby & Rack 3, options - null	59s
Ruby jruby-head & Rack 2, options - null	1m 15s
Ruby jruby-head & Rack 3, options - null	46s
Ruby 3.2 & Rack 0, options - null	43s
Ruby 3.2 & Rack 2, options - null	49s
Ruby 3.2 & Rack 3, options - { "rubyopt": "--enable-frozen-string-literal --debug=frozen-string-literal" }	59s
Ruby 3.2 & Rack 3, options - { "codecov": 1 }	52s
	23m 15s

Provide feedback