Create a theme checklist script: adding missing dependency to package.json (#6230)

Co-authored-by: vcanales <vicente.canales@automattic.com>

package.json

@@ -42,6 +42,7 @@
 		"inquirer": "^8.2.0",
 		"lint-staged": "^12.3.4",
 		"lodash": "^4.17.21",
+		"octokit": "^2.0.3",
 		"open": "^8.4.0",
 		"parse5-html-rewriting-stream": "^7.0.0",
 		"table": "^6.8.0"