Bump simplecov from 0.21.1 to 0.21.2

Bumps [simplecov](https://github.com/simplecov-ruby/simplecov) from 0.21.1 to 0.21.2.
- [Release notes](https://github.com/simplecov-ruby/simplecov/releases)
- [Changelog](https://github.com/simplecov-ruby/simplecov/blob/main/CHANGELOG.md)
- [Commits](simplecov-ruby/simplecov@v0.21.1...v0.21.2)

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

Gemfile.lock

@@ -344,7 +344,7 @@ GEM
       faraday (>= 1.0)
     settingslogic (2.0.9)
     sexp_processor (4.15.1)
-    simplecov (0.21.1)
+    simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)