chore(deps): update dependency dotenv to v16.6.0

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "@types/node": "22.15.33",
     "@typescript-eslint/eslint-plugin": "7.18.0",
     "@typescript-eslint/parser": "7.18.0",
-    "dotenv": "16.5.0",
+    "dotenv": "16.6.0",
     "eslint": "8.57.1",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-astro": "0.34.0",