'HELP' me to convert my manifest file from version 2 to 3, this converter is not working, the file still throwing errors

[shanaya-Gupta]

{
  "name": "LeetAssist",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Provides hints/prerequisites for problems, can add your own & vote on others. Collaborative problem-solving for coding challenges.",
  "content_scripts": [
    {
      "matches": ["https://leetcode.com/problems/*"],
      "js": ["popup.js"],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "./logo.png"
  },

  "web_accessible_resources": ["firebase-app.js", "firebase-firestore.js"],
  "permissions": ["activeTab", "storage", "https://www.googleapis.com/"],
  "content_security_policy": " script-src 'self' https://cdn.firebase.com https://apis.google.com https://www.gstatic.com object-src 'self'"
} ``` 

this is the code of my manifest.json please convert it into version 3, i tried but it is showing errors related to content_security_policy

[jpmedley]

What errors are you getting specifically?