Bump minitest-reporters from 1.3.6 to 1.3.8

Bumps [minitest-reporters](https://github.com/CapnKernul/minitest-reporters) from 1.3.6 to 1.3.8.
- [Release notes](https://github.com/CapnKernul/minitest-reporters/releases)
- [Changelog](https://github.com/kern/minitest-reporters/blob/master/CHANGELOG.md)
- [Commits](minitest-reporters/minitest-reporters@v1.3.6...v1.3.8)

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

Author: dependabot-preview[bot]

Gemfile.lock

@@ -178,7 +178,7 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    minitest-reporters (1.3.6)
+    minitest-reporters (1.3.8)
       ansi
       builder
       minitest (>= 5.0)