fix: upgrade typescript from 4.2.4 to 4.3.2 (#405)

Snyk has created this PR to upgrade typescript from 4.2.4 to 4.3.2.

See this package in npm:
https://www.npmjs.com/package/typescript

See this project in Snyk:
https://app.snyk.io/org/kpt-fn-bot/project/5ee802a9-8df2-4243-be28-e1da63426b99?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

functions/ts/kubeval/package-lock.json

@@ -34,7 +34,7 @@
     "tslint": "^6.1.3",
     "tslint-config-prettier": "1.18.0",
     "tslint-consistent-codestyle": "^1.16.0",
-    "typescript": "~4.2.4"
+    "typescript": "~4.3.2"
   },
   "kpt": {
     "docker_repo_base": "gcr.io/kpt-fn"