ci: Add Conventional Commit Lint #2399

Job	Run time
action_pack / ubuntu-latest	2m 15s
action_view / ubuntu-latest	2m 12s
active_job / ubuntu-latest	3m 28s
active_model_serializers / ubuntu-latest	1m 2s
active_record / ubuntu-latest	1m 41s
active_support / ubuntu-latest	2m 4s
all / ubuntu-latest	1m 27s
aws_sdk / ubuntu-latest	7m 1s
base / ubuntu-latest	1m 13s
concurrent_ruby / ubuntu-latest	2m 25s
delayed_job / ubuntu-latest	1m 33s
ethon / ubuntu-latest	2m 41s
excon / ubuntu-latest	3m 9s
faraday / ubuntu-latest	3m 3s
grape / ubuntu-latest	5m 34s
graphql / ubuntu-latest	3m 0s
gruf / ubuntu-latest	59s
http / ubuntu-latest	1m 33s
http_client / ubuntu-latest	48s
httpx / ubuntu-latest	2m 36s
koala / ubuntu-latest	52s
lmdb / ubuntu-latest	1m 19s
net_http / ubuntu-latest	1m 31s
rack / ubuntu-latest	1m 33s
rails / ubuntu-latest	2m 40s
restclient / ubuntu-latest	2m 24s
rspec / ubuntu-latest	1m 14s
sinatra / ubuntu-latest	2m 34s
	1h 3m 51s

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