[Dev Deps] update array.prototype.flatmap

Author: ljharb

package.json

@@ -49,7 +49,7 @@
 	},
 	"devDependencies": {
 		"@ljharb/eslint-config": "^21.0.0",
-		"array.prototype.flatmap": "^1.3.0",
+		"array.prototype.flatmap": "^1.3.1",
 		"aud": "^2.0.1",
 		"auto-changelog": "^2.4.0",
 		"concat-stream": "^1.6.2",