Build(deps-dev): Bump rubocop-rspec_rails from 2.28.3 to 2.29.0 (#27394)

Bumps [rubocop-rspec_rails](https://github.com/rubocop/rubocop-rspec_rails) from 2.28.3 to 2.29.0.
- [Release notes](https://github.com/rubocop/rubocop-rspec_rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec_rails/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop-rspec_rails/compare/v2.28.3...v2.29.0)

---
updated-dependencies:
- dependency-name: rubocop-rspec_rails
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -372,8 +372,8 @@ GEM
     regexp_parser (2.9.2)
     request_store (1.7.0)
       rack (>= 1.4)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.2.9)
+      strscan
     rinku (2.0.6)
     rotp (6.3.0)
     rouge (4.2.1)
@@ -450,7 +450,7 @@ GEM
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
       rubocop-rspec_rails (~> 2.28)
-    rubocop-rspec_rails (2.28.3)
+    rubocop-rspec_rails (2.29.0)
       rubocop (~> 1.40)
     ruby-prof (1.7.0)
     ruby-progressbar (1.13.0)