added httpx opentelemetry adapter #2029

Job	Run time
action_pack / ubuntu-latest	2m 32s
action_view / ubuntu-latest	1m 49s
active_job / ubuntu-latest	3m 38s
active_model_serializers / ubuntu-latest	53s
active_record / ubuntu-latest	1m 46s
active_support / ubuntu-latest	2m 15s
all / ubuntu-latest	2m 10s
aws_sdk / ubuntu-latest	7m 56s
base / ubuntu-latest	1m 47s
concurrent_ruby / ubuntu-latest	3m 8s
delayed_job / ubuntu-latest	1m 9s
ethon / ubuntu-latest	2m 18s
excon / ubuntu-latest	1m 29s
faraday / ubuntu-latest	2m 34s
grape / ubuntu-latest	8m 26s
graphql / ubuntu-latest	1m 32s
gruf / ubuntu-latest	1m 12s
http / ubuntu-latest	1m 20s
http_client / ubuntu-latest	41s
httpx / ubuntu-latest	2m 47s
koala / ubuntu-latest	1m 10s
lmdb / ubuntu-latest	1m 7s
net_http / ubuntu-latest	1m 28s
rack / ubuntu-latest	1m 30s
rails / ubuntu-latest	3m 3s
restclient / ubuntu-latest	3m 28s
rspec / ubuntu-latest	1m 18s
sinatra / ubuntu-latest	3m 37s
	1h 8m 3s

Provide feedback