Bump github.com/newrelic/go-agent/v3 from 3.11.0 to 3.13.0

Bumps [github.com/newrelic/go-agent/v3](https://github.com/newrelic/go-agent) from 3.11.0 to 3.13.0.
- [Release notes](https://github.com/newrelic/go-agent/releases)
- [Changelog](https://github.com/newrelic/go-agent/blob/master/CHANGELOG.md)
- [Commits](newrelic/go-agent@v3.11.0...v3.13.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/heptiolabs/healthcheck v0.0.0-20180807145615-6ff867650f40
 	github.com/jmoiron/sqlx v1.3.3
-	github.com/newrelic/go-agent/v3 v3.11.0
+	github.com/newrelic/go-agent/v3 v3.13.0
 	github.com/newrelic/go-agent/v3/integrations/nrgorilla v1.1.0
 	github.com/newrelic/go-agent/v3/integrations/nrpq v1.1.1
 	github.com/newrelic/go-agent/v3/integrations/nrredis-v7 v1.0.0

go.sum

@@ -265,6 +265,7 @@ github.com/newrelic/go-agent/v3 v3.0.0/go.mod h1:H28zDNUC0U/b7kLoY4EFOhuth10Xu/9
 github.com/newrelic/go-agent/v3 v3.3.0/go.mod h1:H28zDNUC0U/b7kLoY4EFOhuth10Xu/9dchozUiOseQQ=
 github.com/newrelic/go-agent/v3 v3.11.0 h1:14LGRRAh4tyaJcP7IsOSxZyaEfwa+OIIH80PQHUGJxw=
 github.com/newrelic/go-agent/v3 v3.11.0/go.mod h1:1A1dssWBwzB7UemzRU6ZVaGDsI+cEn5/bNxI0wiYlIc=
+github.com/newrelic/go-agent/v3 v3.13.0/go.mod h1:1A1dssWBwzB7UemzRU6ZVaGDsI+cEn5/bNxI0wiYlIc=
 github.com/newrelic/go-agent/v3/integrations/nrgorilla v1.1.0 h1:3RDWj/QcU5CBP0lJnkh4CwK7tIxsSH53C+GPo5OGFCE=
 github.com/newrelic/go-agent/v3/integrations/nrgorilla v1.1.0/go.mod h1:1XnCVdRSKjS5ikMycFh7VKXBkk0oYPaKQb+sd6aSCoA=
 github.com/newrelic/go-agent/v3/integrations/nrpq v1.1.0 h1:GjYGNdVtATJvq13CB08w6DUvlDXIoClGPLn3CVvTuxo=