Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Relevant Package

utils

Playground Link

No response

Repro Code

packages/types/package.json: line 13
  "files": [  // <=== lost "_ts3.4"
    "dist",
    "package.json",
    "README.md",
    "LICENSE"
  ],

 "typesVersions": {
    "<3.8": {
      "*": [
        "_ts3.4/*"
      ]
    }
  },

### ESLint Config

```javascript
module.exports = {
  parser: "@typescript-eslint/parser",
  rules: {
    "@typescript-eslint/<rule-name>": ["error", ...<options>],
  },
};

tsconfig

{
  "compilerOptions": {
    // ...
  }
}

Expected Result

could find "@typescript-eslint/types" when typescript version lower than 3.8

Actual Result

cannot find "@typescript-eslint/types" when typescript version lower than 3.8

Additional Info

No response

Versions