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

@@ -33,7 +33,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.5)
     contracts (0.16.1)
     csv (3.3.0)
     dotenv (3.1.4)
@@ -157,7 +157,7 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.3)
     parallel (1.26.3)
-    parser (3.3.6.0)
+    parser (3.3.7.0)
       ast (~> 2.4.1)
       racc
     parslet (2.0.0)
@@ -175,7 +175,7 @@ GEM
     regexp_parser (2.10.0)
     rexml (3.3.9)
     rouge (3.30.0)
-    rubocop (1.69.2)
+    rubocop (1.70.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -189,8 +189,8 @@ 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)
@@ -229,7 +229,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (3.1.3)
+    unicode-display_width (3.1.4)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
     webrick (1.9.0)