Bump sentry-rails from 5.26.0 to 6.4.0

Bumps [sentry-rails](https://github.com/getsentry/sentry-ruby) from 5.26.0 to 6.4.0.
- [Release notes](https://github.com/getsentry/sentry-ruby/releases)
- [Changelog](https://github.com/getsentry/sentry-ruby/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-ruby@5.26.0...6.4.0)

---
updated-dependencies:
- dependency-name: sentry-rails
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -521,12 +521,13 @@ GEM
       childprocess (>= 0.5, < 5.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
-    sentry-rails (5.26.0)
-      railties (>= 5.0)
-      sentry-ruby (~> 5.26.0)
-    sentry-ruby (5.26.0)
+    sentry-rails (6.4.0)
+      railties (>= 5.2.0)
+      sentry-ruby (~> 6.4.0)
+    sentry-ruby (6.4.0)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
+      logger
     shoulda-matchers (5.3.0)
       activesupport (>= 5.2.0)
     simplecov (0.22.0)