Bump benchmark from 0.3.0 to 0.4.0

Bumps [benchmark](https://github.com/ruby/benchmark) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/ruby/benchmark/releases)
- [Commits](ruby/benchmark@v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: benchmark
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
     base64 (0.2.0)
-    benchmark (0.3.0)
+    benchmark (0.4.0)
     bigdecimal (3.1.8)
     bosh-template (2.4.0)
       semi_semantic (~> 1.2.0)