Bump newrelic_rpm from 8.5.0 to 8.9.0

Bumps [newrelic_rpm](https://github.com/newrelic/newrelic-ruby-agent) from 8.5.0 to 8.9.0.
- [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@8.5.0...8.9.0)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -176,7 +176,7 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
-    newrelic_rpm (8.5.0)
+    newrelic_rpm (8.9.0)
     nio4r (2.5.8)
     nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)