Bump newrelic_rpm from 9.5.0 to 9.6.0

Bumps [newrelic_rpm](https://github.com/newrelic/newrelic-ruby-agent) from 9.5.0 to 9.6.0.
- [Release notes](https://github.com/newrelic/newrelic-ruby-agent/releases)
- [Changelog](https://github.com/newrelic/newrelic-ruby-agent/blob/dev/CHANGELOG.md)
- [Commits](newrelic/newrelic-ruby-agent@9.5.0...9.6.0)

---
updated-dependencies:
- dependency-name: newrelic_rpm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -355,7 +355,8 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    newrelic_rpm (9.5.0)
+    newrelic_rpm (9.6.0)
+      base64
     nio4r (2.5.9)
     nokogiri (1.15.4-arm64-darwin)
       racc (~> 1.4)