ci: Add Conventional Commit Linter #2331

Job	Run time
action_pack / ubuntu-latest	1m 45s
action_view / ubuntu-latest	1m 42s
active_job / ubuntu-latest	3m 11s
active_model_serializers / ubuntu-latest	52s
active_record / ubuntu-latest	1m 17s
active_support / ubuntu-latest	1m 38s
all / ubuntu-latest	1m 54s
aws_sdk / ubuntu-latest	5m 29s
base / ubuntu-latest	1m 15s
concurrent_ruby / ubuntu-latest	2m 12s
delayed_job / ubuntu-latest	1m 14s
ethon / ubuntu-latest	2m 20s
excon / ubuntu-latest	1m 31s
faraday / ubuntu-latest	2m 54s
grape / ubuntu-latest	5m 10s
graphql / ubuntu-latest	1m 49s
gruf / ubuntu-latest	58s
http / ubuntu-latest	1m 13s
http_client / ubuntu-latest	38s
httpx / ubuntu-latest	2m 17s
koala / ubuntu-latest	42s
lmdb / ubuntu-latest	1m 0s
net_http / ubuntu-latest	1m 38s
rack / ubuntu-latest	1m 9s
rails / ubuntu-latest	2m 9s
restclient / ubuntu-latest	2m 13s
rspec / ubuntu-latest	1m 18s
sinatra / ubuntu-latest	2m 13s
	53m 41s

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