added httpx opentelemetry adapter #2030

Job	Run time
action_pack / ubuntu-latest	2m 31s
action_view / ubuntu-latest	2m 12s
active_job / ubuntu-latest	4m 58s
active_model_serializers / ubuntu-latest	1m 8s
active_record / ubuntu-latest	2m 12s
active_support / ubuntu-latest	2m 22s
all / ubuntu-latest	1m 43s
aws_sdk / ubuntu-latest	5m 7s
base / ubuntu-latest	1m 37s
concurrent_ruby / ubuntu-latest	2m 30s
delayed_job / ubuntu-latest	1m 12s
ethon / ubuntu-latest	2m 14s
excon / ubuntu-latest	1m 27s
faraday / ubuntu-latest	3m 32s
grape / ubuntu-latest	4m 59s
graphql / ubuntu-latest	1m 21s
gruf / ubuntu-latest	55s
http / ubuntu-latest	1m 8s
http_client / ubuntu-latest	33s
httpx / ubuntu-latest	2m 5s
koala / ubuntu-latest	47s
lmdb / ubuntu-latest	53s
net_http / ubuntu-latest	1m 20s
rack / ubuntu-latest	1m 12s
rails / ubuntu-latest	2m 22s
restclient / ubuntu-latest	2m 42s
rspec / ubuntu-latest	1m 17s
sinatra / ubuntu-latest	3m 42s
	1h 0m 1s

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