Bug 1278267 - Update newrelic from 2.64.0.48 to 2.66.0.49

https://docs.newrelic.com/docs/release-notes/agent-release-notes/python-release-notes/python-agent-266049
https://github.com/edmorley/newrelic-python-agent/compare/v2.64.0.48...v2.66.0.49

requirements/common.txt

@@ -18,7 +18,7 @@ kombu==3.0.35 --hash=sha256:2c59a5e087d5895675cdb4d6a38a0aa147f0411366e68330a76e
 
 simplejson==3.8.2 --hash=sha256:d58439c548433adcda98e695be53e526ba940a4b9c44fb9a05d92cd495cdd47f
 
-newrelic==2.64.0.48 --hash=sha256:9ea89da0a16032074dcdc5c39b0b74a821c3c935f5b93781723e7b5dd38e3406
+newrelic==2.66.0.49 --hash=sha256:f95b90def0c86b6d4f859664ca411bae90da76345f23ed2de40531d39e2b32a1
 
 # Required by datasource
 MySQL-python==1.2.5 --hash=sha256:811040b647e5d5686f84db415efd697e6250008b112b6909ba77ac059e140c74