Bump shoulda-matchers from 6.2.0 to 6.3.0

Bumps [shoulda-matchers](https://github.com/thoughtbot/shoulda-matchers) from 6.2.0 to 6.3.0.
- [Release notes](https://github.com/thoughtbot/shoulda-matchers/releases)
- [Changelog](https://github.com/thoughtbot/shoulda-matchers/blob/main/CHANGELOG.md)
- [Commits](thoughtbot/shoulda-matchers@v6.2.0...v6.3.0)

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

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

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
       msgpack (~> 1.2)
     builder (3.3.0)
     childprocess (5.0.0)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
@@ -227,7 +227,7 @@ GEM
       rubocop (>= 1.33.0, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
-    shoulda-matchers (6.2.0)
+    shoulda-matchers (6.3.0)
       activesupport (>= 5.2.0)
     stringio (3.1.1)
     strscan (3.1.0)