Bump rubocop-rails from 2.30.3 to 2.31.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.30.3 to 2.31.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.30.3...v2.31.0)

---
updated-dependencies:
- dependency-name: rubocop-rails
  dependency-version: 2.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -92,11 +92,11 @@ GEM
       lint_roller (~> 1.1)
       rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.38.0, < 2.0)
-    rubocop-rails (2.30.3)
+    rubocop-rails (2.31.0)
       activesupport (>= 4.2.0)
       lint_roller (~> 1.1)
       rack (>= 1.1)
-      rubocop (>= 1.72.1, < 2.0)
+      rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.38.0, < 2.0)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)