build(deps): bump syslog from 0.1.2 to 0.4.0 (#4904)

Bumps [syslog](https://github.com/ruby/syslog) from 0.1.2 to 0.4.0.
- [Release notes](https://github.com/ruby/syslog/releases)
- [Commits](ruby/syslog@v0.1.2...v0.4.0)

---
updated-dependencies:
- dependency-name: syslog
  dependency-version: 0.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -579,7 +579,8 @@ GEM
       spring (>= 0.9.1)
     statsd-ruby (1.5.0)
     stringio (3.2.0)
-    syslog (0.1.2)
+    syslog (0.4.0)
+      logger
     talentbox-delayed_job_sequel (4.4.0)
       delayed_job (~> 4.1)
       sequel (>= 5.0, < 6.0)