Create or update GH comment

.github/workflows/deploy-preview.yml

@@ -48,21 +48,22 @@ jobs:
           directory: build
           gitHubToken: ${{ secrets.GITHUB_TOKEN }} # GitHub Deployments
           wranglerVersion: "3"
-      - name: "Comment on PR"
-        uses: actions/github-script@v6
+      - name: Find PR number
+        id: find_pr_number
+        run: |
+          echo "pr_number=$(cat ./build/PR_NR)" >> $GITHUB_OUTPUT
+      - name: Find comment
+        uses: peter-evans/find-comment@v2
+        id: find_comment
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const fs = require('fs');
-            try {
-              const issue_number = Number(fs.readFileSync('./build/PR_NR'));
-              await github.rest.issues.createComment({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: issue_number,
-                body: "Preview URL: ${{ steps.deploy.outputs.alias }}"
-              });
-            } catch (err) {
-              console.log(err);
-              process.exit(1);
-            }
+          issue-number: ${{ steps.find_pr_number.outputs.pr_number }}
+          comment-author: "github-actions[bot]"
+          body-includes: "Preview URL:"
+      - name: Create or update comment
+        uses: peter-evans/create-or-update-comment@v3
+        with:
+          comment-id: ${{ steps.find_comment.outputs.comment-id }}
+          issue-number: ${{ steps.find_pr_number.outputs.pr_number }}
+          body: |
+            Preview URL: ${{ steps.deploy.outputs.alias }} :rocket:
+          edit-mode: replace