Fix override for gjs files in recommended config

[NullVoxPopuli]

Resolves #2785
The perceived effect of this bug is that gjs and gts files do not have these rules disabled: https://github.com/ember-template-lint/ember-template-lint/blob/master/lib/config/recommended.js#L94

The recommended config has overrides, but that overrides was not making it in to user-configs.

Using the default config,

'use strict';

module.exports = {
  plugins: [],
  extends: 'recommended'
};

Before

❯ pnpm ember-template-lint --print-config app/components/limber/layout/controls/index.gts
...
  "overrides": [],

After

❯ pnpm ember-template-lint --print-config app/components/limber/layout/controls/index.gts
...
  "overrides": [
    {
      "files": [
        "**/*.gjs",
        "**/*.gts"
      ],
      "rules": {
        "no-curly-component-invocation": {
          "config": false,
          "severity": 0
        },
        "no-implicit-this": {
          "config": false,
          "severity": 0
        }
      }
    }
  ],

[bmish]

Looks reasonable. Thanks.