fix(deps): update dependency execa to v9

Author: renovate[bot]

Diff for: package.json

@@ -80,7 +80,7 @@
     "bootstrap": "^5.1.3",
     "chrono-node": "^2.3.2",
     "date-fns": "^2.25.0",
-    "execa": "^5.1.1",
+    "execa": "^9.1.0",
     "gitlog": "^4.0.4",
     "gray-matter": "^4.0.3",
     "hast-util-find-and-replace": "^4.0.0",