chore(deps): pin dependency @eslint/eslintrc to 3.3.1

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
   },
   "homepage": "https://github.com/InformaticsMatters/eslint-config-squonk#readme",
   "dependencies": {
-    "@eslint/eslintrc": "^3.3.1",
+    "@eslint/eslintrc": "3.3.1",
     "@eslint/js": "9.25.1",
     "@next/eslint-plugin-next": "15.3.1",
     "@types/node": "22.14.1",