chore(deps): update peter-evans/create-or-update-comment action to v4

Author: renovate[bot]

.github/workflows/openapi-diff.yml

@@ -41,7 +41,7 @@ jobs:
           issue-number: ${{ github.event.pull_request.number }}
           body-includes: "## OpenAPI Changes"
       - name: Post changes as comment
-        uses: peter-evans/create-or-update-comment@23ff15729ef2fc348714a3bb66d2f655ca9066f2 # v3
+        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4
         # Even if no changes, make sure to update old comment if it was found.
         if: steps.oasdif_summary.outputs.summary || steps.find_comment.outputs.comment-id
         with: