chore(deps): bump rubocop in /fluent-plugin-kubernetes-metadata-filter (

#422)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.26.1 to 1.27.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.26.1...v1.27.0)

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

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

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

fluent-plugin-kubernetes-metadata-filter/Gemfile.lock

@@ -90,7 +90,7 @@ GEM
     multipart-post (2.1.1)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    parallel (1.22.0)
+    parallel (1.22.1)
     parser (3.1.1.0)
       ast (~> 2.4.1)
     power_assert (2.0.1)
@@ -101,7 +101,7 @@ GEM
     regexp_parser (2.2.1)
     rexml (3.2.5)
     rr (1.2.1)
-    rubocop (1.26.1)
+    rubocop (1.27.0)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)