The recently introduced rule no-throw-literal (see #1331) does not recognize generic classes as Errors and report false positives.

Repro

module.exports = {
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint'],
  parserOptions: {
    sourceType: 'module',
    project: 'tsconfig.json',
  },
  rules: {
    '@typescript-eslint/no-throw-literal': 'error',
  },
};

class MyCustomError<Props extends object = {}> extends Error {
  constructor(extraProperties?: Props) {
    super('Panic!');

    Error.captureStackTrace(this, this.constructor);

    Object.assign(this, extraProperties);
  }
}

throw new MyCustomError();

See https://github.com/bajtos/typescript-eslint-sandbox/blob/master/src/no-throw-literal.ts

Expected Result

No problems are reported.

Actual Result

11:7  error  
  Expected an error object to be thrown  
  @typescript-eslint/no-throw-literal

Additional Info

When I remove the generic template argument and make MyCustomError class a regular class, then the rule works correctly and no error is reported.

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