Bump minitest from 5.26.1 to 5.26.2

Bumps [minitest](https://github.com/minitest/minitest) from 5.26.1 to 5.26.2.
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.26.1...v5.26.2)

---
updated-dependencies:
- dependency-name: minitest
  dependency-version: 5.26.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -40,7 +40,7 @@ GEM
     method_source (1.1.0)
     mina (1.2.5)
       rake
-    minitest (5.26.1)
+    minitest (5.26.2)
     mocha (2.7.1)
       ruby2_keywords (>= 0.0.5)
     ostruct (0.6.3)