Bump shoulda-matchers from 6.0.0 to 6.1.0

Bumps [shoulda-matchers](https://github.com/thoughtbot/shoulda-matchers) from 6.0.0 to 6.1.0.
- [Release notes](https://github.com/thoughtbot/shoulda-matchers/releases)
- [Changelog](https://github.com/thoughtbot/shoulda-matchers/blob/main/CHANGELOG.md)
- [Commits](https://github.com/thoughtbot/shoulda-matchers/compare/v6.0.0...v6.1.0)

---
updated-dependencies:
- dependency-name: shoulda-matchers
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -409,7 +409,7 @@ GEM
     mini_magick (4.11.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.21.1)
+    minitest (5.21.2)
     monetize (1.12.0)
       money (~> 6.12)
     money (6.16.0)
@@ -672,7 +672,7 @@ GEM
       tilt (>= 1.1, < 3)
     sd_notify (0.1.1)
     semantic_range (3.0.0)
-    shoulda-matchers (6.0.0)
+    shoulda-matchers (6.1.0)
       activesupport (>= 5.2.0)
     sidekiq (7.2.0)
       concurrent-ruby (< 2)