Don't use bundle exec for testing #109

Job	Run time
ruby-versions / Generate Ruby versions	5s
build (2.5 / ubuntu-latest)	21s
build (2.7 / macos-latest)	24s
build (2.4 / ubuntu-latest)	21s
build (2.7 / ubuntu-latest)	23s
build (3.0 / macos-latest)	12s
build (3.1 / macos-latest)	17s
build (2.6 / macos-latest)	23s
build (3.0 / ubuntu-latest)	7s
build (3.1 / ubuntu-latest)	8s
build (3.3 / ubuntu-latest)	11s
build (3.2 / macos-latest)	10s
build (2.6 / ubuntu-latest)	23s
build (3.2 / ubuntu-latest)	10s
build (3.3 / macos-latest)	8s
build (3.4 / macos-latest)	9s
build (head / macos-latest)	22s
build (3.4 / ubuntu-latest)	10s
build (head / ubuntu-latest)	8s
ruby-versions / Generate Ruby versions	5s
build (3.1 / macos-latest)	17s
build (3.0 / macos-latest)	12s
build (3.2 / ubuntu-latest)	10s
build (2.5 / ubuntu-latest)	22s
build (3.3 / ubuntu-latest)	11s
build (2.6 / ubuntu-latest)	23s
build (2.6 / macos-latest)	1m 19s
build (2.7 / ubuntu-latest)	38s
build (2.4 / ubuntu-latest)	22s
build (2.7 / macos-latest)	27s
build (head / ubuntu-latest)	8s
build (3.3 / macos-latest)	8s
build (3.0 / ubuntu-latest)	7s
build (3.1 / ubuntu-latest)	8s
build (head / macos-latest)	9s
build (3.2 / macos-latest)	10s
build (3.4 / macos-latest)	9s
build (3.4 / ubuntu-latest)	10s
	10m 7s

Provide feedback