Bump rubocop-govuk from 4.18.0 to 5.0.0

Bumps [rubocop-govuk](https://github.com/alphagov/rubocop-govuk) from 4.18.0 to 5.0.0.
- [Changelog](https://github.com/alphagov/rubocop-govuk/blob/main/CHANGELOG.md)
- [Commits](alphagov/rubocop-govuk@v4.18.0...v5.0.0)

---
updated-dependencies:
- dependency-name: rubocop-govuk
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -579,7 +579,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.0)
+    rexml (3.3.1)
       strscan
     rouge (4.3.0)
     rubocop (1.64.1)
@@ -597,27 +597,21 @@ GEM
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
-    rubocop-factory_bot (2.26.1)
-      rubocop (~> 1.61)
-    rubocop-govuk (4.18.0)
+    rubocop-govuk (5.0.0)
       rubocop (= 1.64.1)
       rubocop-ast (= 1.31.3)
+      rubocop-capybara (= 2.21.0)
       rubocop-rails (= 2.25.0)
       rubocop-rake (= 0.6.0)
-      rubocop-rspec (= 2.30.0)
+      rubocop-rspec (= 3.0.1)
     rubocop-rails (2.25.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.30.0)
-      rubocop (~> 1.40)
-      rubocop-capybara (~> 2.17)
-      rubocop-factory_bot (~> 2.22)
-      rubocop-rspec_rails (~> 2.28)
-    rubocop-rspec_rails (2.29.1)
+    rubocop-rspec (3.0.1)
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)