⬆️ Bump sentry-ruby in /dhcp-service/metrics (#294)

Bumps [sentry-ruby](https://github.com/getsentry/sentry-ruby) from 5.9.0 to 5.12.0.
- [Release notes](https://github.com/getsentry/sentry-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-ruby@5.9.0...5.12.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dhcp-service/metrics/Gemfile.lock

@@ -38,7 +38,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    sentry-ruby (5.9.0)
+    sentry-ruby (5.12.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
     sequel (5.73.0)
       bigdecimal