[meta] add safe-publish-latest

Author: ljharb

package.json

@@ -12,6 +12,8 @@
 		"@ljharb/eslint-config": "^21.0.0",
 		"aud": "^2.0.1",
 		"eslint": "=8.8.0",
+		"in-publish": "^2.0.1",
+		"safe-publish-latest": "^2.0.0",
 		"tape": "^5.6.1"
 	},
 	"homepage": "https://github.com/substack/node-shell-quote",
@@ -28,6 +30,8 @@
 		"url": "https://github.com/substack/node-shell-quote.git"
 	},
 	"scripts": {
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
 		"lint": "eslint --ext=js,mjs .",
 		"pretest": "npm run lint",
 		"tests-only": "tape 'test/**/*.js'",