Bump rubocop-govuk from 5.0.7 to 5.0.8

Bumps [rubocop-govuk](https://github.com/alphagov/rubocop-govuk) from 5.0.7 to 5.0.8.
- [Changelog](https://github.com/alphagov/rubocop-govuk/blob/main/CHANGELOG.md)
- [Commits](alphagov/rubocop-govuk@v5.0.7...v5.0.8)

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

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

Gemfile.lock

@@ -538,7 +538,7 @@ GEM
       opentelemetry-api (~> 1.0)
     ostruct (0.6.1)
     parallel (1.26.3)
-    parser (3.3.6.0)
+    parser (3.3.7.0)
       ast (~> 2.4.1)
       racc
     plek (5.2.0)
@@ -647,7 +647,7 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.1)
-    rubocop (1.69.2)
+    rubocop (1.70.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -661,8 +661,8 @@ GEM
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
-    rubocop-govuk (5.0.7)
-      rubocop (= 1.69.2)
+    rubocop-govuk (5.0.8)
+      rubocop (= 1.70.0)
       rubocop-ast (= 1.37.0)
       rubocop-capybara (= 2.21.0)
       rubocop-rails (= 2.28.0)
@@ -743,7 +743,7 @@ GEM
     timeout (0.4.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (3.1.3)
+    unicode-display_width (3.1.4)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
     uri (0.13.0)