GET statuses/oembed support

[carlitosz]

What does this pull request introduce? Please describe
Adding support for the statuses/oembed endpoint described in my issue #58

How did you verify that your changes work as expected? Please describe

• Generated the client locally
• Built the client locally
• Ran tests and made sure they passed
• Tested locally on my project

Example
Please describe how we can try out your changes

1. Create new file
2. Instantiate client
3. Call the tweets.statusesOembed method passing the required parameter url
4. Check response

Screenshots
If applicable, add screenshots to demonstrate your changes.

My script:

async getEmbeddableTweet(url) {
      try {
          const res = await this.client.tweets.statusesOembed({ url });

          return res;
      } catch (e) {
          throw e;
      }
  }

Example output:

{
    "url": "https://twitter.com/Cristiano/status/1363984962270158850",
    "author_name": "Cristiano Ronaldo",
    "author_url": "https://twitter.com/Cristiano",
    "html": "<blockquote class=\"twitter-tweet\"><p lang=\"it\" dir=\"ltr\">Vittoria importante! Felice di aver dato il mio contributo! Avanti così ragazzi! 🚀 🏳️🏴💪🏽 <a href=\"https://t.co/FC9PCpK7bh\">pic.twitter.com/FC9PCpK7bh</a></p>&mdash; Cristiano Ronaldo (@Cristiano) <a href=\"https://twitter.com/Cristiano/status/1363984962270158850?ref_src=twsrc%5Etfw\">February 22, 2021</a></blockquote>\n<script async src=\"https://platform.twitter.com/widgets.js\" charset=\"utf-8\"></script>\n",
    "width": 550,
    "height": null,
    "type": "rich",
    "cache_age": "3153600000",
    "provider_name": "Twitter",
    "provider_url": "https://twitter.com",
    "version": "1.0"
}

Version
Which version is your changes included in?

• Version 1.3.1

PR Checklist Please verify that you:

• [y ] Ran all unit tests, and they are passing
• [y ] Wrote new unit tests if appropriate
• [y ] Installed the client locally and tested it manually
• [y ] Updated the version in package.json