[Tests] replace aud with npm audit

Author: ljharb

package.json

@@ -29,7 +29,7 @@
 		"test": "npm run tests-only && npm run test:harmony",
 		"tests-only": "nyc tape test",
 		"test:harmony": "nyc node --harmony --es-staging test",
-		"posttest": "aud --production",
+		"posttest": "npx npm@'>=10.2' audit --production",
 		"lint": "eslint --ext=js,mjs .",
 		"postlint": "tsc -p . && attw -P",
 		"version": "auto-changelog && git add CHANGELOG.md",
@@ -78,7 +78,6 @@
 		"@types/make-generator-function": "^2.0.3",
 		"@types/node": "^20.11.25",
 		"@types/tape": "^5.6.4",
-		"aud": "^2.0.4",
 		"auto-changelog": "^2.4.0",
 		"eslint": "=8.8.0",
 		"in-publish": "^2.0.1",