chore: upgrade to latest versions of gh helper actions (#8896)

https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/

Fixes: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/

.github/workflows/size-limit.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
@@ -19,7 +19,7 @@ jobs:
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: 'yarn'
@@ -31,7 +31,7 @@ jobs:
         run: |
           rm -rf enterprise
           rm -rf spec/enterprise
-          
+
       - name: Run asset compile
         run: bundle exec rake assets:precompile
         env: