fix: upgrade @oclif/plugin-not-found from 2.3.16 to 2.4.3

Snyk has created this PR to upgrade @oclif/plugin-not-found from 2.3.16 to 2.4.3.

See this package in npm:
@oclif/plugin-not-found

See this project in Snyk:
https://app.snyk.io/org/hit/project/127c4184-9023-49b5-9962-dcc4289c2517?utm_source=github&utm_medium=referral&page=upgrade-pr

packages/cli/package.json

@@ -19,7 +19,7 @@
     "@oclif/plugin-commands": "2.2.28",
     "@oclif/plugin-help": "^5",
     "@oclif/plugin-legacy": "^1.3.0",
-    "@oclif/plugin-not-found": "2.3.16",
+    "@oclif/plugin-not-found": "2.4.3",
     "@oclif/plugin-plugins": "2.4.3",
     "@oclif/plugin-update": "3.2.4",
     "@oclif/plugin-version": "^1.2.1",