Bump sentry-rails and sentry-ruby

Bumps [sentry-rails](https://github.com/getsentry/sentry-ruby) and [sentry-ruby](https://github.com/getsentry/sentry-ruby). These dependencies needed to be updated together.

Updates `sentry-rails` from 5.14.0 to 5.15.0
- [Release notes](https://github.com/getsentry/sentry-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-ruby@5.14.0...5.15.0)

Updates `sentry-ruby` from 5.14.0 to 5.15.0
- [Release notes](https://github.com/getsentry/sentry-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-ruby@5.14.0...5.15.0)

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

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

Gemfile.lock

@@ -150,7 +150,7 @@ GEM
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     io-console (0.6.0)
-    irb (1.9.1)
+    irb (1.10.1)
       rdoc
       reline (>= 0.3.8)
     jbuilder (2.11.5)
@@ -248,7 +248,7 @@ GEM
     rainbow (3.1.1)
     raindrops (0.20.1)
     rake (13.1.0)
-    rdoc (6.6.0)
+    rdoc (6.6.1)
       psych (>= 4.0.0)
     regexp_parser (2.8.2)
     reline (0.4.1)
@@ -282,10 +282,10 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    sentry-rails (5.14.0)
+    sentry-rails (5.15.0)
       railties (>= 5.0)
-      sentry-ruby (~> 5.14.0)
-    sentry-ruby (5.14.0)
+      sentry-ruby (~> 5.15.0)
+    sentry-ruby (5.15.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)