Bump rubocop-govuk from 5.1.12 to 5.1.13

Bumps [rubocop-govuk](https://github.com/alphagov/rubocop-govuk) from 5.1.12 to 5.1.13.
- [Changelog](https://github.com/alphagov/rubocop-govuk/blob/main/CHANGELOG.md)
- [Commits](alphagov/rubocop-govuk@v5.1.12...v5.1.13)

---
updated-dependencies:
- dependency-name: rubocop-govuk
  dependency-version: 5.1.13
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -394,26 +394,26 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.3)
-    rubocop (1.75.8)
+    rubocop (1.76.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.44.0, < 2.0)
+      rubocop-ast (>= 1.45.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.44.1)
+    rubocop-ast (1.45.0)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
     rubocop-capybara (2.22.1)
       lint_roller (~> 1.1)
       rubocop (~> 1.72, >= 1.72.1)
-    rubocop-govuk (5.1.12)
-      rubocop (= 1.75.8)
-      rubocop-ast (= 1.44.1)
+    rubocop-govuk (5.1.13)
+      rubocop (= 1.76.0)
+      rubocop-ast (= 1.45.0)
       rubocop-capybara (= 2.22.1)
       rubocop-rails (= 2.32.0)
       rubocop-rake (= 0.7.1)