Update actions/github-script action to v6.4.1 (#400)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/storybook.yml

@@ -109,6 +109,18 @@ jobs:
             commit_sha: context.sha,
             body: 'Chromatic detects changes. Please [review the changes on Chromatic](https://www.chromatic.com/builds?appId=6428f7d7b962f0b79f97d6e4).'
           })
+    - name: Notify that Chromatic will skip testing
+      uses: actions/github-script@v6.4.1
+      if: github.event_name == 'pull_request' && steps.chromatic_pull_request.outputs.skip == 'true'
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          github.rest.issues.createComment({
+            issue_number: context.issue.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: 'Chromatic will skip testing but you may still have to [review the changes on Chromatic](https://www.chromatic.com/pullrequests?appId=6428f7d7b962f0b79f97d6e4).'
+          })
     - name: Upload Artifacts
       uses: actions/upload-artifact@v4
       with: