fix: templates/blank/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AJV-15274295

Author: snyk-bot

templates/blank/package.json

@@ -11,7 +11,7 @@
     "@eslint/eslintrc": "^3.3.1",
     "@eslint/js": "^9.27.0",
     "@stylistic/eslint-plugin": "^5.2.2",
-    "eslint": "^9.27.0",
+    "eslint": "^10.0.0",
     "eslint-plugin-html": "^8.1.3",
     "eslint-plugin-jsdoc": "^54.1.1",
     "globals": "^16.1.0"