ci: Add Conventional Commit Linter #2438

Job	Run time
action_pack / ubuntu-latest	2m 29s
action_view / ubuntu-latest	2m 20s
active_job / ubuntu-latest	3m 39s
active_model_serializers / ubuntu-latest	1m 19s
active_record / ubuntu-latest	1m 52s
active_support / ubuntu-latest	2m 18s
all / ubuntu-latest	1m 42s
aws_sdk / ubuntu-latest	7m 7s
base / ubuntu-latest	1m 25s
concurrent_ruby / ubuntu-latest	2m 37s
delayed_job / ubuntu-latest	1m 43s
ethon / ubuntu-latest	3m 4s
excon / ubuntu-latest	3m 22s
faraday / ubuntu-latest	3m 8s
grape / ubuntu-latest	6m 19s
graphql / ubuntu-latest	2m 32s
gruf / ubuntu-latest	1m 7s
http / ubuntu-latest	1m 37s
http_client / ubuntu-latest	50s
httpx / ubuntu-latest	2m 45s
koala / ubuntu-latest	52s
lmdb / ubuntu-latest	1m 18s
net_http / ubuntu-latest	1m 25s
rack / ubuntu-latest	1m 40s
rails / ubuntu-latest	3m 1s
restclient / ubuntu-latest	2m 39s
rspec / ubuntu-latest	1m 31s
sinatra / ubuntu-latest	2m 32s
	1h 8m 13s

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