chore(deps): update actions/github-script action to v6 (#30)

* chore(deps): update actions/github-script action to v6

* fix: address breaking change on action API

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Marc Cataford <mcat@riseup.net>

.github/workflows/main.yml

@@ -112,13 +112,13 @@ jobs:
           yarn netlify deploy --dir=dist > output.log
           echo "::set-output name=draft-url::$(grep 'Website Draft URL' output.log)"
       - name: Report
-        uses: actions/github-script@v2
+        uses: actions/github-script@v6
         env:
           DRAFT_URL: ${{ steps.preview-deploy.outputs.draft-url }}
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            github.issues.createComment({
+            github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,