chore: upgrade on-headers to address dependabot alert (#14115)

Author: benmccann

package.json

@@ -29,7 +29,7 @@
 		"eslint": "^9.29.0",
 		"prettier": "^3.6.0",
 		"prettier-plugin-svelte": "^3.4.0",
-		"typescript-eslint": "^8.35.0"
+		"typescript-eslint": "^8.39.0"
 	},
 	"packageManager": "[email protected]",
 	"engines": {