ci.yml in govuk_personalisation-0.15.0

- old
+ new

@@ -8,10 +8,10 @@
       matrix:
         # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
         ruby: ['3.0', 3.1, 3.2]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - run: bundle exec rake