Bump newrelic_rpm from 4.1.0.333 to 5.3.0.346

Bumps [newrelic_rpm](https://github.com/newrelic/rpm) from 4.1.0.333 to 5.3.0.346.
- [Release notes](https://github.com/newrelic/rpm/releases)
- [Changelog](https://github.com/newrelic/rpm/blob/master/CHANGELOG.md)
- [Commits](https://github.com/newrelic/rpm/commits)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

Gemfile

@@ -43,7 +43,7 @@ gem 'nokogiri', '1.8.4'
 
 gem 'uglifier', '~> 3.2.0'
 gem 'rspec-mocks', '3.6.0'
-gem 'newrelic_rpm', '4.1.0.333'
+gem 'newrelic_rpm', '5.3.0.346'
 
 gem 'lograge', '0.5.1'
 gem 'logstash-event', '1.2.02'

Gemfile.lock

@@ -225,7 +225,7 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (4.1.0)
     netrc (0.10.3)
-    newrelic_rpm (4.1.0.333)
+    newrelic_rpm (5.3.0.346)
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     nom-xml (0.5.3)
@@ -457,7 +457,7 @@ DEPENDENCIES
   lograge (= 0.5.1)
   logstash-event (= 1.2.02)
   minitest (~> 5.10.2)
-  newrelic_rpm (= 4.1.0.333)
+  newrelic_rpm (= 5.3.0.346)
   nokogiri (= 1.8.4)
   omniauth (~> 1.7.1)
   omniauth-shibboleth (~> 1.2.1)