ci: Add Conventional Commit Linter #2473

Job	Run time
action_pack / ubuntu-latest	2m 19s
action_view / ubuntu-latest	2m 13s
active_job / ubuntu-latest	3m 30s
active_model_serializers / ubuntu-latest	1m 11s
active_record / ubuntu-latest	1m 49s
active_support / ubuntu-latest	2m 11s
all / ubuntu-latest	1m 29s
aws_sdk / ubuntu-latest	7m 29s
base / ubuntu-latest	1m 19s
concurrent_ruby / ubuntu-latest	2m 23s
delayed_job / ubuntu-latest	1m 47s
ethon / ubuntu-latest	2m 41s
excon / ubuntu-latest	3m 13s
faraday / ubuntu-latest	3m 11s
grape / ubuntu-latest	5m 40s
graphql / ubuntu-latest	2m 28s
gruf / ubuntu-latest	1m 2s
http / ubuntu-latest	1m 33s
http_client / ubuntu-latest	48s
httpx / ubuntu-latest	2m 29s
koala / ubuntu-latest	53s
lmdb / ubuntu-latest	1m 22s
net_http / ubuntu-latest	2m 4s
rack / ubuntu-latest	1m 29s
rails / ubuntu-latest	2m 48s
restclient / ubuntu-latest	2m 28s
rspec / ubuntu-latest	2m 5s
sinatra / ubuntu-latest	3m 11s
	1h 7m 5s

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