chore(NODE-5400): add @octokit/core as a devDep (#3750)

Author: nbbeeken

package-lock.json

@@ -35,6 +35,7 @@
     "@microsoft/api-extractor": "^7.34.7",
     "@microsoft/tsdoc-config": "^0.16.2",
     "@mongodb-js/zstd": "^1.1.0",
+    "@octokit/core": "^4.2.4",
     "@types/chai": "^4.3.5",
     "@types/chai-subset": "^1.3.3",
     "@types/express": "^4.17.17",