Update dependency @octokit/rest to v18.11.4

Author: renovate-bot

package.json

@@ -17,7 +17,7 @@
     "@github-docs/frontmatter": "1.3.1",
     "@github-docs/render-content": "5.2.1",
     "@github/rest-api-operations": "3.8.1",
-    "@octokit/rest": "18.6.0",
+    "@octokit/rest": "18.11.4",
     "@primer/css": "15.2.0",
     "@primer/octicons": "12.1.0",
     "algoliasearch": "4.10.5",