Bump sentry-ruby from 5.1.0 to 5.1.1

Bumps [sentry-ruby](https://github.com/getsentry/sentry-ruby) from 5.1.0 to 5.1.1.
- [Release notes](https://github.com/getsentry/sentry-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-ruby/compare/5.1.0...5.1.1)

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

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

Gemfile.lock

@@ -452,10 +452,10 @@ GEM
     sentry-rails (5.1.0)
       railties (>= 5.0)
       sentry-ruby-core (~> 5.1.0)
-    sentry-ruby (5.1.0)
+    sentry-ruby (5.1.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      sentry-ruby-core (= 5.1.0)
-    sentry-ruby-core (5.1.0)
+      sentry-ruby-core (= 5.1.1)
+    sentry-ruby-core (5.1.1)
       concurrent-ruby
     set (1.0.2)
     shoulda-matchers (5.1.0)