Bump simplecov from 0.17.0 to 0.17.1 (#394)

Bumps [simplecov](https://github.com/colszowka/simplecov) from 0.17.0 to 0.17.1.
- [Release notes](https://github.com/colszowka/simplecov/releases)
- [Changelog](https://github.com/colszowka/simplecov/blob/master/CHANGELOG.md)
- [Commits](simplecov-ruby/simplecov@v0.17.0...v0.17.1)

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

Gemfile.lock

@@ -321,7 +321,7 @@ GEM
       rdoc (~> 4.0)
     secure_headers (5.0.5)
       useragent (>= 0.15.0)
-    simplecov (0.17.0)
+    simplecov (0.17.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)